Home / 7,415.47-10,235.27-5,146.97

Finding the Fourth Proportional to 7,415.47, 10,235.27 and 5,146.97

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Solution

The fourth proportional to 7,415.47, 10,235.27 and 5,146.97 is: 7,104.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.47 : 10,235.27 = 5,146.97 : x
  2. Step 2: Convert to fraction form
    7,415.47/10,235.27 = 5,146.97/x
  3. Step 3: Cross multiply
    7,415.47x = 10,235.27 × 5,146.97
  4. Step 4: Simplify right side
    7,415.47x = 52,680,625.35
  5. Step 5: Solve for x
    x = 52,680,625.35/7,415.47
  6. Step 6: Final answer
    x = 7,104.15

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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.