Home / 10,577.78-15,866.67-4,340.73

Finding the Fourth Proportional to 10,577.78, 15,866.67 and 4,340.73

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Solution

The fourth proportional to 10,577.78, 15,866.67 and 4,340.73 is: 6,511.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,577.78 : 15,866.67 = 4,340.73 : x
  2. Step 2: Convert to fraction form
    10,577.78/15,866.67 = 4,340.73/x
  3. Step 3: Cross multiply
    10,577.78x = 15,866.67 × 4,340.73
  4. Step 4: Simplify right side
    10,577.78x = 68,872,869.10
  5. Step 5: Solve for x
    x = 68,872,869.10/10,577.78
  6. Step 6: Final answer
    x = 6,511.09

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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.