Home / 8,265.30-12,398.72-2,718.65

Finding the Fourth Proportional to 8,265.30, 12,398.72 and 2,718.65

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Solution

The fourth proportional to 8,265.30, 12,398.72 and 2,718.65 is: 4,078.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.30 : 12,398.72 = 2,718.65 : x
  2. Step 2: Convert to fraction form
    8,265.30/12,398.72 = 2,718.65/x
  3. Step 3: Cross multiply
    8,265.30x = 12,398.72 × 2,718.65
  4. Step 4: Simplify right side
    8,265.30x = 33,707,812.82
  5. Step 5: Solve for x
    x = 33,707,812.82/8,265.30
  6. Step 6: Final answer
    x = 4,078.23

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1.5x scale

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.