Home / 5,660.08-7,810.70-3,142.30

Finding the Fourth Proportional to 5,660.08, 7,810.70 and 3,142.30

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Solution

The fourth proportional to 5,660.08, 7,810.70 and 3,142.30 is: 4,336.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.08 : 7,810.70 = 3,142.30 : x
  2. Step 2: Convert to fraction form
    5,660.08/7,810.70 = 3,142.30/x
  3. Step 3: Cross multiply
    5,660.08x = 7,810.70 × 3,142.30
  4. Step 4: Simplify right side
    5,660.08x = 24,543,562.61
  5. Step 5: Solve for x
    x = 24,543,562.61/5,660.08
  6. Step 6: Final answer
    x = 4,336.26

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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.