Home / 5,170.04-7,134.63-2,812.17

Finding the Fourth Proportional to 5,170.04, 7,134.63 and 2,812.17

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Solution

The fourth proportional to 5,170.04, 7,134.63 and 2,812.17 is: 3,880.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.04 : 7,134.63 = 2,812.17 : x
  2. Step 2: Convert to fraction form
    5,170.04/7,134.63 = 2,812.17/x
  3. Step 3: Cross multiply
    5,170.04x = 7,134.63 × 2,812.17
  4. Step 4: Simplify right side
    5,170.04x = 20,063,792.45
  5. Step 5: Solve for x
    x = 20,063,792.45/5,170.04
  6. Step 6: Final answer
    x = 3,880.78

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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.