Home / 4,691.40-7,037.16-1,917.48

Finding the Fourth Proportional to 4,691.40, 7,037.16 and 1,917.48

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Solution

The fourth proportional to 4,691.40, 7,037.16 and 1,917.48 is: 2,876.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,691.40 : 7,037.16 = 1,917.48 : x
  2. Step 2: Convert to fraction form
    4,691.40/7,037.16 = 1,917.48/x
  3. Step 3: Cross multiply
    4,691.40x = 7,037.16 × 1,917.48
  4. Step 4: Simplify right side
    4,691.40x = 13,493,613.56
  5. Step 5: Solve for x
    x = 13,493,613.56/4,691.40
  6. Step 6: Final answer
    x = 2,876.24

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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.