Home / 5,168.14-7,132.05-2,810.29

Finding the Fourth Proportional to 5,168.14, 7,132.05 and 2,810.29

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Solution

The fourth proportional to 5,168.14, 7,132.05 and 2,810.29 is: 3,878.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.14 : 7,132.05 = 2,810.29 : x
  2. Step 2: Convert to fraction form
    5,168.14/7,132.05 = 2,810.29/x
  3. Step 3: Cross multiply
    5,168.14x = 7,132.05 × 2,810.29
  4. Step 4: Simplify right side
    5,168.14x = 20,043,128.79
  5. Step 5: Solve for x
    x = 20,043,128.79/5,168.14
  6. Step 6: Final answer
    x = 3,878.21

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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.