Home / 5,007.20-7,499.85-2,537.78

Finding the Fourth Proportional to 5,007.20, 7,499.85 and 2,537.78

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Solution

The fourth proportional to 5,007.20, 7,499.85 and 2,537.78 is: 3,801.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.20 : 7,499.85 = 2,537.78 : x
  2. Step 2: Convert to fraction form
    5,007.20/7,499.85 = 2,537.78/x
  3. Step 3: Cross multiply
    5,007.20x = 7,499.85 × 2,537.78
  4. Step 4: Simplify right side
    5,007.20x = 19,032,950.58
  5. Step 5: Solve for x
    x = 19,032,950.58/5,007.20
  6. Step 6: Final answer
    x = 3,801.12

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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.