Home / 5,660.12-7,810.92-3,142.14

Finding the Fourth Proportional to 5,660.12, 7,810.92 and 3,142.14

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Solution

The fourth proportional to 5,660.12, 7,810.92 and 3,142.14 is: 4,336.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.12 : 7,810.92 = 3,142.14 : x
  2. Step 2: Convert to fraction form
    5,660.12/7,810.92 = 3,142.14/x
  3. Step 3: Cross multiply
    5,660.12x = 7,810.92 × 3,142.14
  4. Step 4: Simplify right side
    5,660.12x = 24,543,004.17
  5. Step 5: Solve for x
    x = 24,543,004.17/5,660.12
  6. Step 6: Final answer
    x = 4,336.13

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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.