Home / 8,689.18-13,032.93-2,449.09

Finding the Fourth Proportional to 8,689.18, 13,032.93 and 2,449.09

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Solution

The fourth proportional to 8,689.18, 13,032.93 and 2,449.09 is: 3,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689.18 : 13,032.93 = 2,449.09 : x
  2. Step 2: Convert to fraction form
    8,689.18/13,032.93 = 2,449.09/x
  3. Step 3: Cross multiply
    8,689.18x = 13,032.93 × 2,449.09
  4. Step 4: Simplify right side
    8,689.18x = 31,918,818.53
  5. Step 5: Solve for x
    x = 31,918,818.53/8,689.18
  6. Step 6: Final answer
    x = 3,673.40

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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.