Home / 8,591.27-12,903.30-5,310.77

Finding the Fourth Proportional to 8,591.27, 12,903.30 and 5,310.77

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Solution

The fourth proportional to 8,591.27, 12,903.30 and 5,310.77 is: 7,976.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591.27 : 12,903.30 = 5,310.77 : x
  2. Step 2: Convert to fraction form
    8,591.27/12,903.30 = 5,310.77/x
  3. Step 3: Cross multiply
    8,591.27x = 12,903.30 × 5,310.77
  4. Step 4: Simplify right side
    8,591.27x = 68,526,394.02
  5. Step 5: Solve for x
    x = 68,526,394.02/8,591.27
  6. Step 6: Final answer
    x = 7,976.29

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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.