Home / 7,126.62-10,689.92-1,932.48

Finding the Fourth Proportional to 7,126.62, 10,689.92 and 1,932.48

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Solution

The fourth proportional to 7,126.62, 10,689.92 and 1,932.48 is: 2,898.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.62 : 10,689.92 = 1,932.48 : x
  2. Step 2: Convert to fraction form
    7,126.62/10,689.92 = 1,932.48/x
  3. Step 3: Cross multiply
    7,126.62x = 10,689.92 × 1,932.48
  4. Step 4: Simplify right side
    7,126.62x = 20,658,056.60
  5. Step 5: Solve for x
    x = 20,658,056.60/7,126.62
  6. Step 6: Final answer
    x = 2,898.72

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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.