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Finding the Fourth Proportional to 6,711.80, 10,056.90 and 5,610.20

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Solution

The fourth proportional to 6,711.80, 10,056.90 and 5,610.20 is: 8,406.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,711.80 : 10,056.90 = 5,610.20 : x
  2. Step 2: Convert to fraction form
    6,711.80/10,056.90 = 5,610.20/x
  3. Step 3: Cross multiply
    6,711.80x = 10,056.90 × 5,610.20
  4. Step 4: Simplify right side
    6,711.80x = 56,421,220.38
  5. Step 5: Solve for x
    x = 56,421,220.38/6,711.80
  6. Step 6: Final answer
    x = 8,406.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.