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Finding the Fourth Proportional to 5,660.86, 7,815.78 and 4,332.18

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Solution

The fourth proportional to 5,660.86, 7,815.78 and 4,332.18 is: 5,981.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.86 : 7,815.78 = 4,332.18 : x
  2. Step 2: Convert to fraction form
    5,660.86/7,815.78 = 4,332.18/x
  3. Step 3: Cross multiply
    5,660.86x = 7,815.78 × 4,332.18
  4. Step 4: Simplify right side
    5,660.86x = 33,859,365.80
  5. Step 5: Solve for x
    x = 33,859,365.80/5,660.86
  6. Step 6: Final answer
    x = 5,981.31

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