Home / 8,861.40-12,229.29-4,882.51

Finding the Fourth Proportional to 8,861.40, 12,229.29 and 4,882.51

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Solution

The fourth proportional to 8,861.40, 12,229.29 and 4,882.51 is: 6,738.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.40 : 12,229.29 = 4,882.51 : x
  2. Step 2: Convert to fraction form
    8,861.40/12,229.29 = 4,882.51/x
  3. Step 3: Cross multiply
    8,861.40x = 12,229.29 × 4,882.51
  4. Step 4: Simplify right side
    8,861.40x = 59,709,630.72
  5. Step 5: Solve for x
    x = 59,709,630.72/8,861.40
  6. Step 6: Final answer
    x = 6,738.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.