Home / 7,901.25-10,902.29-5,105.13

Finding the Fourth Proportional to 7,901.25, 10,902.29 and 5,105.13

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Solution

The fourth proportional to 7,901.25, 10,902.29 and 5,105.13 is: 7,044.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.25 : 10,902.29 = 5,105.13 : x
  2. Step 2: Convert to fraction form
    7,901.25/10,902.29 = 5,105.13/x
  3. Step 3: Cross multiply
    7,901.25x = 10,902.29 × 5,105.13
  4. Step 4: Simplify right side
    7,901.25x = 55,657,607.75
  5. Step 5: Solve for x
    x = 55,657,607.75/7,901.25
  6. Step 6: Final answer
    x = 7,044.15

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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.