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Finding the Fourth Proportional to 7,060.62, 9,744.11 and 4,076.65

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Solution

The fourth proportional to 7,060.62, 9,744.11 and 4,076.65 is: 5,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.62 : 9,744.11 = 4,076.65 : x
  2. Step 2: Convert to fraction form
    7,060.62/9,744.11 = 4,076.65/x
  3. Step 3: Cross multiply
    7,060.62x = 9,744.11 × 4,076.65
  4. Step 4: Simplify right side
    7,060.62x = 39,723,326.03
  5. Step 5: Solve for x
    x = 39,723,326.03/7,060.62
  6. Step 6: Final answer
    x = 5,626.04

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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.