Home / 4,320.32-6,481.42-1,398.58

Finding the Fourth Proportional to 4,320.32, 6,481.42 and 1,398.58

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Solution

The fourth proportional to 4,320.32, 6,481.42 and 1,398.58 is: 2,098.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.32 : 6,481.42 = 1,398.58 : x
  2. Step 2: Convert to fraction form
    4,320.32/6,481.42 = 1,398.58/x
  3. Step 3: Cross multiply
    4,320.32x = 6,481.42 × 1,398.58
  4. Step 4: Simplify right side
    4,320.32x = 9,064,784.38
  5. Step 5: Solve for x
    x = 9,064,784.38/4,320.32
  6. Step 6: Final answer
    x = 2,098.17

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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.