Home / 8,577.45-12,866.78-3,646.53

Finding the Fourth Proportional to 8,577.45, 12,866.78 and 3,646.53

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Solution

The fourth proportional to 8,577.45, 12,866.78 and 3,646.53 is: 5,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.45 : 12,866.78 = 3,646.53 : x
  2. Step 2: Convert to fraction form
    8,577.45/12,866.78 = 3,646.53/x
  3. Step 3: Cross multiply
    8,577.45x = 12,866.78 × 3,646.53
  4. Step 4: Simplify right side
    8,577.45x = 46,919,081.04
  5. Step 5: Solve for x
    x = 46,919,081.04/8,577.45
  6. Step 6: Final answer
    x = 5,470.05

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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.