Home / 5,622.65-7,761.79-3,634.17

Finding the Fourth Proportional to 5,622.65, 7,761.79 and 3,634.17

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Solution

The fourth proportional to 5,622.65, 7,761.79 and 3,634.17 is: 5,016.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.65 : 7,761.79 = 3,634.17 : x
  2. Step 2: Convert to fraction form
    5,622.65/7,761.79 = 3,634.17/x
  3. Step 3: Cross multiply
    5,622.65x = 7,761.79 × 3,634.17
  4. Step 4: Simplify right side
    5,622.65x = 28,207,639.80
  5. Step 5: Solve for x
    x = 28,207,639.80/5,622.65
  6. Step 6: Final answer
    x = 5,016.79

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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.