Home / 5,170.01-7,134.55-2,812.10

Finding the Fourth Proportional to 5,170.01, 7,134.55 and 2,812.10

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Solution

The fourth proportional to 5,170.01, 7,134.55 and 2,812.10 is: 3,880.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.01 : 7,134.55 = 2,812.10 : x
  2. Step 2: Convert to fraction form
    5,170.01/7,134.55 = 2,812.10/x
  3. Step 3: Cross multiply
    5,170.01x = 7,134.55 × 2,812.10
  4. Step 4: Simplify right side
    5,170.01x = 20,063,025.35
  5. Step 5: Solve for x
    x = 20,063,025.35/5,170.01
  6. Step 6: Final answer
    x = 3,880.66

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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.