Home / 6,385.89-9,570.71-2,872.14

Finding the Fourth Proportional to 6,385.89, 9,570.71 and 2,872.14

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Solution

The fourth proportional to 6,385.89, 9,570.71 and 2,872.14 is: 4,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385.89 : 9,570.71 = 2,872.14 : x
  2. Step 2: Convert to fraction form
    6,385.89/9,570.71 = 2,872.14/x
  3. Step 3: Cross multiply
    6,385.89x = 9,570.71 × 2,872.14
  4. Step 4: Simplify right side
    6,385.89x = 27,488,404.66
  5. Step 5: Solve for x
    x = 27,488,404.66/6,385.89
  6. Step 6: Final answer
    x = 4,304.55

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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.