Home / 5,380.97-8,071.43-1,683.18

Finding the Fourth Proportional to 5,380.97, 8,071.43 and 1,683.18

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Solution

The fourth proportional to 5,380.97, 8,071.43 and 1,683.18 is: 2,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.97 : 8,071.43 = 1,683.18 : x
  2. Step 2: Convert to fraction form
    5,380.97/8,071.43 = 1,683.18/x
  3. Step 3: Cross multiply
    5,380.97x = 8,071.43 × 1,683.18
  4. Step 4: Simplify right side
    5,380.97x = 13,585,661.13
  5. Step 5: Solve for x
    x = 13,585,661.13/5,380.97
  6. Step 6: Final answer
    x = 2,524.76

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Double scale
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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.