Home / 4,691.32-6,469.62-2,921.68

Finding the Fourth Proportional to 4,691.32, 6,469.62 and 2,921.68

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Solution

The fourth proportional to 4,691.32, 6,469.62 and 2,921.68 is: 4,029.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,691.32 : 6,469.62 = 2,921.68 : x
  2. Step 2: Convert to fraction form
    4,691.32/6,469.62 = 2,921.68/x
  3. Step 3: Cross multiply
    4,691.32x = 6,469.62 × 2,921.68
  4. Step 4: Simplify right side
    4,691.32x = 18,902,159.36
  5. Step 5: Solve for x
    x = 18,902,159.36/4,691.32
  6. Step 6: Final answer
    x = 4,029.18

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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.