Home / 5,180.42-7,149.04-3,084.14

Finding the Fourth Proportional to 5,180.42, 7,149.04 and 3,084.14

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Solution

The fourth proportional to 5,180.42, 7,149.04 and 3,084.14 is: 4,256.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.42 : 7,149.04 = 3,084.14 : x
  2. Step 2: Convert to fraction form
    5,180.42/7,149.04 = 3,084.14/x
  3. Step 3: Cross multiply
    5,180.42x = 7,149.04 × 3,084.14
  4. Step 4: Simplify right side
    5,180.42x = 22,048,640.23
  5. Step 5: Solve for x
    x = 22,048,640.23/5,180.42
  6. Step 6: Final answer
    x = 4,256.15

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Double scale
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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.