Home / 4,385.49-6,578.08-1,098.61

Finding the Fourth Proportional to 4,385.49, 6,578.08 and 1,098.61

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Solution

The fourth proportional to 4,385.49, 6,578.08 and 1,098.61 is: 1,647.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.49 : 6,578.08 = 1,098.61 : x
  2. Step 2: Convert to fraction form
    4,385.49/6,578.08 = 1,098.61/x
  3. Step 3: Cross multiply
    4,385.49x = 6,578.08 × 1,098.61
  4. Step 4: Simplify right side
    4,385.49x = 7,226,744.47
  5. Step 5: Solve for x
    x = 7,226,744.47/4,385.49
  6. Step 6: Final answer
    x = 1,647.88

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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.