Home / 5,140.26-7,094.25-3,150.45

Finding the Fourth Proportional to 5,140.26, 7,094.25 and 3,150.45

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Solution

The fourth proportional to 5,140.26, 7,094.25 and 3,150.45 is: 4,348.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.26 : 7,094.25 = 3,150.45 : x
  2. Step 2: Convert to fraction form
    5,140.26/7,094.25 = 3,150.45/x
  3. Step 3: Cross multiply
    5,140.26x = 7,094.25 × 3,150.45
  4. Step 4: Simplify right side
    5,140.26x = 22,350,079.91
  5. Step 5: Solve for x
    x = 22,350,079.91/5,140.26
  6. Step 6: Final answer
    x = 4,348.04

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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.