Home / 6,512.28-9,768.43-1,581.88

Finding the Fourth Proportional to 6,512.28, 9,768.43 and 1,581.88

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Solution

The fourth proportional to 6,512.28, 9,768.43 and 1,581.88 is: 2,372.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512.28 : 9,768.43 = 1,581.88 : x
  2. Step 2: Convert to fraction form
    6,512.28/9,768.43 = 1,581.88/x
  3. Step 3: Cross multiply
    6,512.28x = 9,768.43 × 1,581.88
  4. Step 4: Simplify right side
    6,512.28x = 15,452,484.05
  5. Step 5: Solve for x
    x = 15,452,484.05/6,512.28
  6. Step 6: Final answer
    x = 2,372.82

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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.