Home / 5,114.26-7,057.89-2,876.18

Finding the Fourth Proportional to 5,114.26, 7,057.89 and 2,876.18

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Solution

The fourth proportional to 5,114.26, 7,057.89 and 2,876.18 is: 3,969.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.26 : 7,057.89 = 2,876.18 : x
  2. Step 2: Convert to fraction form
    5,114.26/7,057.89 = 2,876.18/x
  3. Step 3: Cross multiply
    5,114.26x = 7,057.89 × 2,876.18
  4. Step 4: Simplify right side
    5,114.26x = 20,299,762.06
  5. Step 5: Solve for x
    x = 20,299,762.06/5,114.26
  6. Step 6: Final answer
    x = 3,969.25

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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.