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Finding the Fourth Proportional to 7,193.04, 9,926.28 and 4,049.16

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Solution

The fourth proportional to 7,193.04, 9,926.28 and 4,049.16 is: 5,587.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193.04 : 9,926.28 = 4,049.16 : x
  2. Step 2: Convert to fraction form
    7,193.04/9,926.28 = 4,049.16/x
  3. Step 3: Cross multiply
    7,193.04x = 9,926.28 × 4,049.16
  4. Step 4: Simplify right side
    7,193.04x = 40,193,095.92
  5. Step 5: Solve for x
    x = 40,193,095.92/7,193.04
  6. Step 6: Final answer
    x = 5,587.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.