Home / 6,775.28-9,350.72-4,122.96

Finding the Fourth Proportional to 6,775.28, 9,350.72 and 4,122.96

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Solution

The fourth proportional to 6,775.28, 9,350.72 and 4,122.96 is: 5,690.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,775.28 : 9,350.72 = 4,122.96 : x
  2. Step 2: Convert to fraction form
    6,775.28/9,350.72 = 4,122.96/x
  3. Step 3: Cross multiply
    6,775.28x = 9,350.72 × 4,122.96
  4. Step 4: Simplify right side
    6,775.28x = 38,552,644.53
  5. Step 5: Solve for x
    x = 38,552,644.53/6,775.28
  6. Step 6: Final answer
    x = 5,690.19

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