Home / 8,432.29-12,642.18-4,045.57

Finding the Fourth Proportional to 8,432.29, 12,642.18 and 4,045.57

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Solution

The fourth proportional to 8,432.29, 12,642.18 and 4,045.57 is: 6,065.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.29 : 12,642.18 = 4,045.57 : x
  2. Step 2: Convert to fraction form
    8,432.29/12,642.18 = 4,045.57/x
  3. Step 3: Cross multiply
    8,432.29x = 12,642.18 × 4,045.57
  4. Step 4: Simplify right side
    8,432.29x = 51,144,824.14
  5. Step 5: Solve for x
    x = 51,144,824.14/8,432.29
  6. Step 6: Final answer
    x = 6,065.35

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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.