Home / 8,929.91-13,395.45-2,689.67

Finding the Fourth Proportional to 8,929.91, 13,395.45 and 2,689.67

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Solution

The fourth proportional to 8,929.91, 13,395.45 and 2,689.67 is: 4,034.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.91 : 13,395.45 = 2,689.67 : x
  2. Step 2: Convert to fraction form
    8,929.91/13,395.45 = 2,689.67/x
  3. Step 3: Cross multiply
    8,929.91x = 13,395.45 × 2,689.67
  4. Step 4: Simplify right side
    8,929.91x = 36,029,340.00
  5. Step 5: Solve for x
    x = 36,029,340.00/8,929.91
  6. Step 6: Final answer
    x = 4,034.68

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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.