Home / 8,432.40-12,649.02-2,885.52

Finding the Fourth Proportional to 8,432.40, 12,649.02 and 2,885.52

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Solution

The fourth proportional to 8,432.40, 12,649.02 and 2,885.52 is: 4,328.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.40 : 12,649.02 = 2,885.52 : x
  2. Step 2: Convert to fraction form
    8,432.40/12,649.02 = 2,885.52/x
  3. Step 3: Cross multiply
    8,432.40x = 12,649.02 × 2,885.52
  4. Step 4: Simplify right side
    8,432.40x = 36,499,000.19
  5. Step 5: Solve for x
    x = 36,499,000.19/8,432.40
  6. Step 6: Final answer
    x = 4,328.42

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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.