Home / 4,995.38-7,487.38-3,122.13

Finding the Fourth Proportional to 4,995.38, 7,487.38 and 3,122.13

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Solution

The fourth proportional to 4,995.38, 7,487.38 and 3,122.13 is: 4,679.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.38 : 7,487.38 = 3,122.13 : x
  2. Step 2: Convert to fraction form
    4,995.38/7,487.38 = 3,122.13/x
  3. Step 3: Cross multiply
    4,995.38x = 7,487.38 × 3,122.13
  4. Step 4: Simplify right side
    4,995.38x = 23,376,605.70
  5. Step 5: Solve for x
    x = 23,376,605.70/4,995.38
  6. Step 6: Final answer
    x = 4,679.64

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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.