Home / 5,332.72-7,999.28-1,437.24

Finding the Fourth Proportional to 5,332.72, 7,999.28 and 1,437.24

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Solution

The fourth proportional to 5,332.72, 7,999.28 and 1,437.24 is: 2,155.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,332.72 : 7,999.28 = 1,437.24 : x
  2. Step 2: Convert to fraction form
    5,332.72/7,999.28 = 1,437.24/x
  3. Step 3: Cross multiply
    5,332.72x = 7,999.28 × 1,437.24
  4. Step 4: Simplify right side
    5,332.72x = 11,496,885.19
  5. Step 5: Solve for x
    x = 11,496,885.19/5,332.72
  6. Step 6: Final answer
    x = 2,155.91

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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.