Home / 5,180.93-7,142.15-3,585.14

Finding the Fourth Proportional to 5,180.93, 7,142.15 and 3,585.14

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Solution

The fourth proportional to 5,180.93, 7,142.15 and 3,585.14 is: 4,942.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.93 : 7,142.15 = 3,585.14 : x
  2. Step 2: Convert to fraction form
    5,180.93/7,142.15 = 3,585.14/x
  3. Step 3: Cross multiply
    5,180.93x = 7,142.15 × 3,585.14
  4. Step 4: Simplify right side
    5,180.93x = 25,605,627.69
  5. Step 5: Solve for x
    x = 25,605,627.69/5,180.93
  6. Step 6: Final answer
    x = 4,942.29

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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.