Home / 8,402.41-12,589.74-4,882.53

Finding the Fourth Proportional to 8,402.41, 12,589.74 and 4,882.53

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Solution

The fourth proportional to 8,402.41, 12,589.74 and 4,882.53 is: 7,315.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,402.41 : 12,589.74 = 4,882.53 : x
  2. Step 2: Convert to fraction form
    8,402.41/12,589.74 = 4,882.53/x
  3. Step 3: Cross multiply
    8,402.41x = 12,589.74 × 4,882.53
  4. Step 4: Simplify right side
    8,402.41x = 61,469,848.76
  5. Step 5: Solve for x
    x = 61,469,848.76/8,402.41
  6. Step 6: Final answer
    x = 7,315.74

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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.