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Finding the Fourth Proportional to 5,125.42, 7,694.43 and 4,867.18

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Solution

The fourth proportional to 5,125.42, 7,694.43 and 4,867.18 is: 7,306.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.42 : 7,694.43 = 4,867.18 : x
  2. Step 2: Convert to fraction form
    5,125.42/7,694.43 = 4,867.18/x
  3. Step 3: Cross multiply
    5,125.42x = 7,694.43 × 4,867.18
  4. Step 4: Simplify right side
    5,125.42x = 37,450,175.81
  5. Step 5: Solve for x
    x = 37,450,175.81/5,125.42
  6. Step 6: Final answer
    x = 7,306.75

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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.