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Finding the Fourth Proportional to 8,517.69, 12,775.10 and 2,360.25

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Solution

The fourth proportional to 8,517.69, 12,775.10 and 2,360.25 is: 3,539.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.69 : 12,775.10 = 2,360.25 : x
  2. Step 2: Convert to fraction form
    8,517.69/12,775.10 = 2,360.25/x
  3. Step 3: Cross multiply
    8,517.69x = 12,775.10 × 2,360.25
  4. Step 4: Simplify right side
    8,517.69x = 30,152,417.97
  5. Step 5: Solve for x
    x = 30,152,417.97/8,517.69
  6. Step 6: Final answer
    x = 3,539.98

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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.