Home / 4,320.62-6,481.95-1,398.92

Finding the Fourth Proportional to 4,320.62, 6,481.95 and 1,398.92

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Solution

The fourth proportional to 4,320.62, 6,481.95 and 1,398.92 is: 2,098.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.62 : 6,481.95 = 1,398.92 : x
  2. Step 2: Convert to fraction form
    4,320.62/6,481.95 = 1,398.92/x
  3. Step 3: Cross multiply
    4,320.62x = 6,481.95 × 1,398.92
  4. Step 4: Simplify right side
    4,320.62x = 9,067,690.09
  5. Step 5: Solve for x
    x = 9,067,690.09/4,320.62
  6. Step 6: Final answer
    x = 2,098.70

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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.