Home / 8,313.50-12,471.77-2,766.32

Finding the Fourth Proportional to 8,313.50, 12,471.77 and 2,766.32

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Solution

The fourth proportional to 8,313.50, 12,471.77 and 2,766.32 is: 4,149.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.50 : 12,471.77 = 2,766.32 : x
  2. Step 2: Convert to fraction form
    8,313.50/12,471.77 = 2,766.32/x
  3. Step 3: Cross multiply
    8,313.50x = 12,471.77 × 2,766.32
  4. Step 4: Simplify right side
    8,313.50x = 34,500,898.11
  5. Step 5: Solve for x
    x = 34,500,898.11/8,313.50
  6. Step 6: Final answer
    x = 4,149.98

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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.