Home / 5,151.38-7,111.66-4,029.94

Finding the Fourth Proportional to 5,151.38, 7,111.66 and 4,029.94

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Solution

The fourth proportional to 5,151.38, 7,111.66 and 4,029.94 is: 5,563.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.38 : 7,111.66 = 4,029.94 : x
  2. Step 2: Convert to fraction form
    5,151.38/7,111.66 = 4,029.94/x
  3. Step 3: Cross multiply
    5,151.38x = 7,111.66 × 4,029.94
  4. Step 4: Simplify right side
    5,151.38x = 28,659,563.10
  5. Step 5: Solve for x
    x = 28,659,563.10/5,151.38
  6. Step 6: Final answer
    x = 5,563.47

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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.