Home / 8,929.08-13,393.54-2,689.06

Finding the Fourth Proportional to 8,929.08, 13,393.54 and 2,689.06

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Solution

The fourth proportional to 8,929.08, 13,393.54 and 2,689.06 is: 4,033.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.08 : 13,393.54 = 2,689.06 : x
  2. Step 2: Convert to fraction form
    8,929.08/13,393.54 = 2,689.06/x
  3. Step 3: Cross multiply
    8,929.08x = 13,393.54 × 2,689.06
  4. Step 4: Simplify right side
    8,929.08x = 36,016,032.67
  5. Step 5: Solve for x
    x = 36,016,032.67/8,929.08
  6. Step 6: Final answer
    x = 4,033.57

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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.