Home / 5,047.40-7,572.24-1,537.72

Finding the Fourth Proportional to 5,047.40, 7,572.24 and 1,537.72

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Solution

The fourth proportional to 5,047.40, 7,572.24 and 1,537.72 is: 2,306.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047.40 : 7,572.24 = 1,537.72 : x
  2. Step 2: Convert to fraction form
    5,047.40/7,572.24 = 1,537.72/x
  3. Step 3: Cross multiply
    5,047.40x = 7,572.24 × 1,537.72
  4. Step 4: Simplify right side
    5,047.40x = 11,643,965.96
  5. Step 5: Solve for x
    x = 11,643,965.96/5,047.40
  6. Step 6: Final answer
    x = 2,306.92

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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.