Home / 7,537.38-11,307.29-3,155.28

Finding the Fourth Proportional to 7,537.38, 11,307.29 and 3,155.28

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Solution

The fourth proportional to 7,537.38, 11,307.29 and 3,155.28 is: 4,733.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,537.38 : 11,307.29 = 3,155.28 : x
  2. Step 2: Convert to fraction form
    7,537.38/11,307.29 = 3,155.28/x
  3. Step 3: Cross multiply
    7,537.38x = 11,307.29 × 3,155.28
  4. Step 4: Simplify right side
    7,537.38x = 35,677,650.21
  5. Step 5: Solve for x
    x = 35,677,650.21/7,537.38
  6. Step 6: Final answer
    x = 4,733.43

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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.