Home / 6,997.28-9,656.18-4,202.76

Finding the Fourth Proportional to 6,997.28, 9,656.18 and 4,202.76

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Solution

The fourth proportional to 6,997.28, 9,656.18 and 4,202.76 is: 5,799.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,997.28 : 9,656.18 = 4,202.76 : x
  2. Step 2: Convert to fraction form
    6,997.28/9,656.18 = 4,202.76/x
  3. Step 3: Cross multiply
    6,997.28x = 9,656.18 × 4,202.76
  4. Step 4: Simplify right side
    6,997.28x = 40,582,607.06
  5. Step 5: Solve for x
    x = 40,582,607.06/6,997.28
  6. Step 6: Final answer
    x = 5,799.77

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.