Home / 8,259.90-12,391.38-2,713.56

Finding the Fourth Proportional to 8,259.90, 12,391.38 and 2,713.56

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Solution

The fourth proportional to 8,259.90, 12,391.38 and 2,713.56 is: 4,070.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.90 : 12,391.38 = 2,713.56 : x
  2. Step 2: Convert to fraction form
    8,259.90/12,391.38 = 2,713.56/x
  3. Step 3: Cross multiply
    8,259.90x = 12,391.38 × 2,713.56
  4. Step 4: Simplify right side
    8,259.90x = 33,624,753.11
  5. Step 5: Solve for x
    x = 33,624,753.11/8,259.90
  6. Step 6: Final answer
    x = 4,070.84

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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.