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Finding the Fourth Proportional to 6,525.80, 9,785.10 and 2,625.80

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Solution

The fourth proportional to 6,525.80, 9,785.10 and 2,625.80 is: 3,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,525.80 : 9,785.10 = 2,625.80 : x
  2. Step 2: Convert to fraction form
    6,525.80/9,785.10 = 2,625.80/x
  3. Step 3: Cross multiply
    6,525.80x = 9,785.10 × 2,625.80
  4. Step 4: Simplify right side
    6,525.80x = 25,693,715.58
  5. Step 5: Solve for x
    x = 25,693,715.58/6,525.80
  6. Step 6: Final answer
    x = 3,937.25

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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.