Home / 5,695.57-7,859.89-3,177.61

Finding the Fourth Proportional to 5,695.57, 7,859.89 and 3,177.61

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Solution

The fourth proportional to 5,695.57, 7,859.89 and 3,177.61 is: 4,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.57 : 7,859.89 = 3,177.61 : x
  2. Step 2: Convert to fraction form
    5,695.57/7,859.89 = 3,177.61/x
  3. Step 3: Cross multiply
    5,695.57x = 7,859.89 × 3,177.61
  4. Step 4: Simplify right side
    5,695.57x = 24,975,665.06
  5. Step 5: Solve for x
    x = 24,975,665.06/5,695.57
  6. Step 6: Final answer
    x = 4,385.10

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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.