Home / 6,215.31-8,577.14-3,382.70

Finding the Fourth Proportional to 6,215.31, 8,577.14 and 3,382.70

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Solution

The fourth proportional to 6,215.31, 8,577.14 and 3,382.70 is: 4,668.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.31 : 8,577.14 = 3,382.70 : x
  2. Step 2: Convert to fraction form
    6,215.31/8,577.14 = 3,382.70/x
  3. Step 3: Cross multiply
    6,215.31x = 8,577.14 × 3,382.70
  4. Step 4: Simplify right side
    6,215.31x = 29,013,831.68
  5. Step 5: Solve for x
    x = 29,013,831.68/6,215.31
  6. Step 6: Final answer
    x = 4,668.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.