Home / 8,689.06-13,032.60-2,449.60

Finding the Fourth Proportional to 8,689.06, 13,032.60 and 2,449.60

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Solution

The fourth proportional to 8,689.06, 13,032.60 and 2,449.60 is: 3,674.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689.06 : 13,032.60 = 2,449.60 : x
  2. Step 2: Convert to fraction form
    8,689.06/13,032.60 = 2,449.60/x
  3. Step 3: Cross multiply
    8,689.06x = 13,032.60 × 2,449.60
  4. Step 4: Simplify right side
    8,689.06x = 31,924,656.96
  5. Step 5: Solve for x
    x = 31,924,656.96/8,689.06
  6. Step 6: Final answer
    x = 3,674.12

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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.