Home / 5,332.45-7,359.31-3,985.72

Finding the Fourth Proportional to 5,332.45, 7,359.31 and 3,985.72

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Solution

The fourth proportional to 5,332.45, 7,359.31 and 3,985.72 is: 5,500.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,332.45 : 7,359.31 = 3,985.72 : x
  2. Step 2: Convert to fraction form
    5,332.45/7,359.31 = 3,985.72/x
  3. Step 3: Cross multiply
    5,332.45x = 7,359.31 × 3,985.72
  4. Step 4: Simplify right side
    5,332.45x = 29,332,149.05
  5. Step 5: Solve for x
    x = 29,332,149.05/5,332.45
  6. Step 6: Final answer
    x = 5,500.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.