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Finding the Fourth Proportional to 7,008.04, 10,512.06 and 3,932.20

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Solution

The fourth proportional to 7,008.04, 10,512.06 and 3,932.20 is: 5,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.04 : 10,512.06 = 3,932.20 : x
  2. Step 2: Convert to fraction form
    7,008.04/10,512.06 = 3,932.20/x
  3. Step 3: Cross multiply
    7,008.04x = 10,512.06 × 3,932.20
  4. Step 4: Simplify right side
    7,008.04x = 41,335,522.33
  5. Step 5: Solve for x
    x = 41,335,522.33/7,008.04
  6. Step 6: Final answer
    x = 5,898.30

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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.