Home / 6,521.38-9,781.97-2,625.69

Finding the Fourth Proportional to 6,521.38, 9,781.97 and 2,625.69

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Solution

The fourth proportional to 6,521.38, 9,781.97 and 2,625.69 is: 3,938.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.38 : 9,781.97 = 2,625.69 : x
  2. Step 2: Convert to fraction form
    6,521.38/9,781.97 = 2,625.69/x
  3. Step 3: Cross multiply
    6,521.38x = 9,781.97 × 2,625.69
  4. Step 4: Simplify right side
    6,521.38x = 25,684,420.81
  5. Step 5: Solve for x
    x = 25,684,420.81/6,521.38
  6. Step 6: Final answer
    x = 3,938.49

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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.