Home / 8,651.24-12,970.68-3,382.16

Finding the Fourth Proportional to 8,651.24, 12,970.68 and 3,382.16

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Solution

The fourth proportional to 8,651.24, 12,970.68 and 3,382.16 is: 5,070.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651.24 : 12,970.68 = 3,382.16 : x
  2. Step 2: Convert to fraction form
    8,651.24/12,970.68 = 3,382.16/x
  3. Step 3: Cross multiply
    8,651.24x = 12,970.68 × 3,382.16
  4. Step 4: Simplify right side
    8,651.24x = 43,868,915.07
  5. Step 5: Solve for x
    x = 43,868,915.07/8,651.24
  6. Step 6: Final answer
    x = 5,070.82

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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.