Home / 6,749.28-10,123.86-2,132.28

Finding the Fourth Proportional to 6,749.28, 10,123.86 and 2,132.28

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Solution

The fourth proportional to 6,749.28, 10,123.86 and 2,132.28 is: 3,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.28 : 10,123.86 = 2,132.28 : x
  2. Step 2: Convert to fraction form
    6,749.28/10,123.86 = 2,132.28/x
  3. Step 3: Cross multiply
    6,749.28x = 10,123.86 × 2,132.28
  4. Step 4: Simplify right side
    6,749.28x = 21,586,904.20
  5. Step 5: Solve for x
    x = 21,586,904.20/6,749.28
  6. Step 6: Final answer
    x = 3,198.40

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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.