Home / 7,718.92-11,574.05-2,452.95

Finding the Fourth Proportional to 7,718.92, 11,574.05 and 2,452.95

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Solution

The fourth proportional to 7,718.92, 11,574.05 and 2,452.95 is: 3,678.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.92 : 11,574.05 = 2,452.95 : x
  2. Step 2: Convert to fraction form
    7,718.92/11,574.05 = 2,452.95/x
  3. Step 3: Cross multiply
    7,718.92x = 11,574.05 × 2,452.95
  4. Step 4: Simplify right side
    7,718.92x = 28,390,553.68
  5. Step 5: Solve for x
    x = 28,390,553.68/7,718.92
  6. Step 6: Final answer
    x = 3,678.05

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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.