Home / 6,111.28-9,167.40-1,728.76

Finding the Fourth Proportional to 6,111.28, 9,167.40 and 1,728.76

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Solution

The fourth proportional to 6,111.28, 9,167.40 and 1,728.76 is: 2,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.28 : 9,167.40 = 1,728.76 : x
  2. Step 2: Convert to fraction form
    6,111.28/9,167.40 = 1,728.76/x
  3. Step 3: Cross multiply
    6,111.28x = 9,167.40 × 1,728.76
  4. Step 4: Simplify right side
    6,111.28x = 15,848,234.42
  5. Step 5: Solve for x
    x = 15,848,234.42/6,111.28
  6. Step 6: Final answer
    x = 2,593.28

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Half scale
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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.