Home / 7,618.77-11,429.51-2,691.27

Finding the Fourth Proportional to 7,618.77, 11,429.51 and 2,691.27

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Solution

The fourth proportional to 7,618.77, 11,429.51 and 2,691.27 is: 4,037.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.77 : 11,429.51 = 2,691.27 : x
  2. Step 2: Convert to fraction form
    7,618.77/11,429.51 = 2,691.27/x
  3. Step 3: Cross multiply
    7,618.77x = 11,429.51 × 2,691.27
  4. Step 4: Simplify right side
    7,618.77x = 30,759,897.38
  5. Step 5: Solve for x
    x = 30,759,897.38/7,618.77
  6. Step 6: Final answer
    x = 4,037.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.