Home / 8,225.45-11,351.37-4,499.45

Finding the Fourth Proportional to 8,225.45, 11,351.37 and 4,499.45

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Solution

The fourth proportional to 8,225.45, 11,351.37 and 4,499.45 is: 6,209.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.45 : 11,351.37 = 4,499.45 : x
  2. Step 2: Convert to fraction form
    8,225.45/11,351.37 = 4,499.45/x
  3. Step 3: Cross multiply
    8,225.45x = 11,351.37 × 4,499.45
  4. Step 4: Simplify right side
    8,225.45x = 51,074,864.99
  5. Step 5: Solve for x
    x = 51,074,864.99/8,225.45
  6. Step 6: Final answer
    x = 6,209.37

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Half scale
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Double scale
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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.