Home / 5,377.11-7,418.60-3,491.06

Finding the Fourth Proportional to 5,377.11, 7,418.60 and 3,491.06

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Solution

The fourth proportional to 5,377.11, 7,418.60 and 3,491.06 is: 4,816.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.11 : 7,418.60 = 3,491.06 : x
  2. Step 2: Convert to fraction form
    5,377.11/7,418.60 = 3,491.06/x
  3. Step 3: Cross multiply
    5,377.11x = 7,418.60 × 3,491.06
  4. Step 4: Simplify right side
    5,377.11x = 25,898,723.17
  5. Step 5: Solve for x
    x = 25,898,723.17/5,377.11
  6. Step 6: Final answer
    x = 4,816.48

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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.