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Finding the Fourth Proportional to 7,397.47, 11,096.10 and 1,850.79

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Solution

The fourth proportional to 7,397.47, 11,096.10 and 1,850.79 is: 2,776.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.47 : 11,096.10 = 1,850.79 : x
  2. Step 2: Convert to fraction form
    7,397.47/11,096.10 = 1,850.79/x
  3. Step 3: Cross multiply
    7,397.47x = 11,096.10 × 1,850.79
  4. Step 4: Simplify right side
    7,397.47x = 20,536,550.92
  5. Step 5: Solve for x
    x = 20,536,550.92/7,397.47
  6. Step 6: Final answer
    x = 2,776.16

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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.