Home / 8,680.41-13,020.62-2,440.17

Finding the Fourth Proportional to 8,680.41, 13,020.62 and 2,440.17

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Solution

The fourth proportional to 8,680.41, 13,020.62 and 2,440.17 is: 3,660.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.41 : 13,020.62 = 2,440.17 : x
  2. Step 2: Convert to fraction form
    8,680.41/13,020.62 = 2,440.17/x
  3. Step 3: Cross multiply
    8,680.41x = 13,020.62 × 2,440.17
  4. Step 4: Simplify right side
    8,680.41x = 31,772,514.10
  5. Step 5: Solve for x
    x = 31,772,514.10/8,680.41
  6. Step 6: Final answer
    x = 3,660.26

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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.