Home / 5,155.56-7,108.41-4,357.44

Finding the Fourth Proportional to 5,155.56, 7,108.41 and 4,357.44

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Solution

The fourth proportional to 5,155.56, 7,108.41 and 4,357.44 is: 6,007.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.56 : 7,108.41 = 4,357.44 : x
  2. Step 2: Convert to fraction form
    5,155.56/7,108.41 = 4,357.44/x
  3. Step 3: Cross multiply
    5,155.56x = 7,108.41 × 4,357.44
  4. Step 4: Simplify right side
    5,155.56x = 30,974,470.07
  5. Step 5: Solve for x
    x = 30,974,470.07/5,155.56
  6. Step 6: Final answer
    x = 6,007.97

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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.