Home / 6,712.20-10,079.10-5,070.60

Finding the Fourth Proportional to 6,712.20, 10,079.10 and 5,070.60

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Solution

The fourth proportional to 6,712.20, 10,079.10 and 5,070.60 is: 7,614.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.20 : 10,079.10 = 5,070.60 : x
  2. Step 2: Convert to fraction form
    6,712.20/10,079.10 = 5,070.60/x
  3. Step 3: Cross multiply
    6,712.20x = 10,079.10 × 5,070.60
  4. Step 4: Simplify right side
    6,712.20x = 51,107,084.46
  5. Step 5: Solve for x
    x = 51,107,084.46/6,712.20
  6. Step 6: Final answer
    x = 7,614.06

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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.