Home / 4,886.62-7,331.16-1,423.88

Finding the Fourth Proportional to 4,886.62, 7,331.16 and 1,423.88

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Solution

The fourth proportional to 4,886.62, 7,331.16 and 1,423.88 is: 2,136.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.62 : 7,331.16 = 1,423.88 : x
  2. Step 2: Convert to fraction form
    4,886.62/7,331.16 = 1,423.88/x
  3. Step 3: Cross multiply
    4,886.62x = 7,331.16 × 1,423.88
  4. Step 4: Simplify right side
    4,886.62x = 10,438,692.10
  5. Step 5: Solve for x
    x = 10,438,692.10/4,886.62
  6. Step 6: Final answer
    x = 2,136.18

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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.