Home / 4,939.13-7,407.85-1,475.57

Finding the Fourth Proportional to 4,939.13, 7,407.85 and 1,475.57

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Solution

The fourth proportional to 4,939.13, 7,407.85 and 1,475.57 is: 2,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.13 : 7,407.85 = 1,475.57 : x
  2. Step 2: Convert to fraction form
    4,939.13/7,407.85 = 1,475.57/x
  3. Step 3: Cross multiply
    4,939.13x = 7,407.85 × 1,475.57
  4. Step 4: Simplify right side
    4,939.13x = 10,930,801.22
  5. Step 5: Solve for x
    x = 10,930,801.22/4,939.13
  6. Step 6: Final answer
    x = 2,213.10

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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.