Home / 6,520.98-9,781.86-2,625.36

Finding the Fourth Proportional to 6,520.98, 9,781.86 and 2,625.36

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Solution

The fourth proportional to 6,520.98, 9,781.86 and 2,625.36 is: 3,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.98 : 9,781.86 = 2,625.36 : x
  2. Step 2: Convert to fraction form
    6,520.98/9,781.86 = 2,625.36/x
  3. Step 3: Cross multiply
    6,520.98x = 9,781.86 × 2,625.36
  4. Step 4: Simplify right side
    6,520.98x = 25,680,903.97
  5. Step 5: Solve for x
    x = 25,680,903.97/6,520.98
  6. Step 6: Final answer
    x = 3,938.20

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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.