Home / 8,423.87-12,633.21-2,580.30

Finding the Fourth Proportional to 8,423.87, 12,633.21 and 2,580.30

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Solution

The fourth proportional to 8,423.87, 12,633.21 and 2,580.30 is: 3,869.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.87 : 12,633.21 = 2,580.30 : x
  2. Step 2: Convert to fraction form
    8,423.87/12,633.21 = 2,580.30/x
  3. Step 3: Cross multiply
    8,423.87x = 12,633.21 × 2,580.30
  4. Step 4: Simplify right side
    8,423.87x = 32,597,471.76
  5. Step 5: Solve for x
    x = 32,597,471.76/8,423.87
  6. Step 6: Final answer
    x = 3,869.66

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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.