Home / 8,577.40-12,866.70-3,382.60

Finding the Fourth Proportional to 8,577.40, 12,866.70 and 3,382.60

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Solution

The fourth proportional to 8,577.40, 12,866.70 and 3,382.60 is: 5,074.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.40 : 12,866.70 = 3,382.60 : x
  2. Step 2: Convert to fraction form
    8,577.40/12,866.70 = 3,382.60/x
  3. Step 3: Cross multiply
    8,577.40x = 12,866.70 × 3,382.60
  4. Step 4: Simplify right side
    8,577.40x = 43,522,899.42
  5. Step 5: Solve for x
    x = 43,522,899.42/8,577.40
  6. Step 6: Final answer
    x = 5,074.14

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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.