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Finding the Fourth Proportional to 7,034.76, 10,549.14 and 2,104.32

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Solution

The fourth proportional to 7,034.76, 10,549.14 and 2,104.32 is: 3,155.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,034.76 : 10,549.14 = 2,104.32 : x
  2. Step 2: Convert to fraction form
    7,034.76/10,549.14 = 2,104.32/x
  3. Step 3: Cross multiply
    7,034.76x = 10,549.14 × 2,104.32
  4. Step 4: Simplify right side
    7,034.76x = 22,198,766.28
  5. Step 5: Solve for x
    x = 22,198,766.28/7,034.76
  6. Step 6: Final answer
    x = 3,155.58

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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.