Home / 7,314.15-10,968.80-2,382.47

Finding the Fourth Proportional to 7,314.15, 10,968.80 and 2,382.47

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Solution

The fourth proportional to 7,314.15, 10,968.80 and 2,382.47 is: 3,572.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,314.15 : 10,968.80 = 2,382.47 : x
  2. Step 2: Convert to fraction form
    7,314.15/10,968.80 = 2,382.47/x
  3. Step 3: Cross multiply
    7,314.15x = 10,968.80 × 2,382.47
  4. Step 4: Simplify right side
    7,314.15x = 26,132,770.18
  5. Step 5: Solve for x
    x = 26,132,770.18/7,314.15
  6. Step 6: Final answer
    x = 3,572.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.