Home / 4,385.84-6,578.78-1,098.95

Finding the Fourth Proportional to 4,385.84, 6,578.78 and 1,098.95

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Solution

The fourth proportional to 4,385.84, 6,578.78 and 1,098.95 is: 1,648.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.84 : 6,578.78 = 1,098.95 : x
  2. Step 2: Convert to fraction form
    4,385.84/6,578.78 = 1,098.95/x
  3. Step 3: Cross multiply
    4,385.84x = 6,578.78 × 1,098.95
  4. Step 4: Simplify right side
    4,385.84x = 7,229,711.89
  5. Step 5: Solve for x
    x = 7,229,711.89/4,385.84
  6. Step 6: Final answer
    x = 1,648.42

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Double scale
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Similar ratio
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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.