Home / 7,126.65-10,690.56-1,932.48

Finding the Fourth Proportional to 7,126.65, 10,690.56 and 1,932.48

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Solution

The fourth proportional to 7,126.65, 10,690.56 and 1,932.48 is: 2,898.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.65 : 10,690.56 = 1,932.48 : x
  2. Step 2: Convert to fraction form
    7,126.65/10,690.56 = 1,932.48/x
  3. Step 3: Cross multiply
    7,126.65x = 10,690.56 × 1,932.48
  4. Step 4: Simplify right side
    7,126.65x = 20,659,293.39
  5. Step 5: Solve for x
    x = 20,659,293.39/7,126.65
  6. Step 6: Final answer
    x = 2,898.88

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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.