Home / 5,154.46-7,730.71-2,192.35

Finding the Fourth Proportional to 5,154.46, 7,730.71 and 2,192.35

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Solution

The fourth proportional to 5,154.46, 7,730.71 and 2,192.35 is: 3,288.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.46 : 7,730.71 = 2,192.35 : x
  2. Step 2: Convert to fraction form
    5,154.46/7,730.71 = 2,192.35/x
  3. Step 3: Cross multiply
    5,154.46x = 7,730.71 × 2,192.35
  4. Step 4: Simplify right side
    5,154.46x = 16,948,422.07
  5. Step 5: Solve for x
    x = 16,948,422.07/5,154.46
  6. Step 6: Final answer
    x = 3,288.11

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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.