Home / 8,122.24-11,208.13-4,764.47

Finding the Fourth Proportional to 8,122.24, 11,208.13 and 4,764.47

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Solution

The fourth proportional to 8,122.24, 11,208.13 and 4,764.47 is: 6,574.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.24 : 11,208.13 = 4,764.47 : x
  2. Step 2: Convert to fraction form
    8,122.24/11,208.13 = 4,764.47/x
  3. Step 3: Cross multiply
    8,122.24x = 11,208.13 × 4,764.47
  4. Step 4: Simplify right side
    8,122.24x = 53,400,799.14
  5. Step 5: Solve for x
    x = 53,400,799.14/8,122.24
  6. Step 6: Final answer
    x = 6,574.64

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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.