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Finding the Fourth Proportional to 7,902.32, 10,904.46 and 5,064.68

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Solution

The fourth proportional to 7,902.32, 10,904.46 and 5,064.68 is: 6,988.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.32 : 10,904.46 = 5,064.68 : x
  2. Step 2: Convert to fraction form
    7,902.32/10,904.46 = 5,064.68/x
  3. Step 3: Cross multiply
    7,902.32x = 10,904.46 × 5,064.68
  4. Step 4: Simplify right side
    7,902.32x = 55,227,600.47
  5. Step 5: Solve for x
    x = 55,227,600.47/7,902.32
  6. Step 6: Final answer
    x = 6,988.78

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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.