Home / 5,660.43-7,811.35-3,108.16

Finding the Fourth Proportional to 5,660.43, 7,811.35 and 3,108.16

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Solution

The fourth proportional to 5,660.43, 7,811.35 and 3,108.16 is: 4,289.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.43 : 7,811.35 = 3,108.16 : x
  2. Step 2: Convert to fraction form
    5,660.43/7,811.35 = 3,108.16/x
  3. Step 3: Cross multiply
    5,660.43x = 7,811.35 × 3,108.16
  4. Step 4: Simplify right side
    5,660.43x = 24,278,925.62
  5. Step 5: Solve for x
    x = 24,278,925.62/5,660.43
  6. Step 6: Final answer
    x = 4,289.24

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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.