Home / 8,432.30-12,650.58-2,588.76

Finding the Fourth Proportional to 8,432.30, 12,650.58 and 2,588.76

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Solution

The fourth proportional to 8,432.30, 12,650.58 and 2,588.76 is: 3,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.30 : 12,650.58 = 2,588.76 : x
  2. Step 2: Convert to fraction form
    8,432.30/12,650.58 = 2,588.76/x
  3. Step 3: Cross multiply
    8,432.30x = 12,650.58 × 2,588.76
  4. Step 4: Simplify right side
    8,432.30x = 32,749,315.48
  5. Step 5: Solve for x
    x = 32,749,315.48/8,432.30
  6. Step 6: Final answer
    x = 3,883.79

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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.