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Finding the Fourth Proportional to 7,080.04, 10,614.12 and 3,130.66

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Solution

The fourth proportional to 7,080.04, 10,614.12 and 3,130.66 is: 4,693.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.04 : 10,614.12 = 3,130.66 : x
  2. Step 2: Convert to fraction form
    7,080.04/10,614.12 = 3,130.66/x
  3. Step 3: Cross multiply
    7,080.04x = 10,614.12 × 3,130.66
  4. Step 4: Simplify right side
    7,080.04x = 33,229,200.92
  5. Step 5: Solve for x
    x = 33,229,200.92/7,080.04
  6. Step 6: Final answer
    x = 4,693.36

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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.