Home / 8,224.69-11,350.34-4,498.69

Finding the Fourth Proportional to 8,224.69, 11,350.34 and 4,498.69

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Solution

The fourth proportional to 8,224.69, 11,350.34 and 4,498.69 is: 6,208.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,224.69 : 11,350.34 = 4,498.69 : x
  2. Step 2: Convert to fraction form
    8,224.69/11,350.34 = 4,498.69/x
  3. Step 3: Cross multiply
    8,224.69x = 11,350.34 × 4,498.69
  4. Step 4: Simplify right side
    8,224.69x = 51,061,643.93
  5. Step 5: Solve for x
    x = 51,061,643.93/8,224.69
  6. Step 6: Final answer
    x = 6,208.34

Related Problems

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Half scale
Find fourth proportional to 16,449.38, 22,700.69 and 8,997.38
Double scale
Find fourth proportional to 8,225.69, 11,351.72 and 4,499.69
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.