Home / 4,430.46-6,114.38-3,171.72

Finding the Fourth Proportional to 4,430.46, 6,114.38 and 3,171.72

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Solution

The fourth proportional to 4,430.46, 6,114.38 and 3,171.72 is: 4,377.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.46 : 6,114.38 = 3,171.72 : x
  2. Step 2: Convert to fraction form
    4,430.46/6,114.38 = 3,171.72/x
  3. Step 3: Cross multiply
    4,430.46x = 6,114.38 × 3,171.72
  4. Step 4: Simplify right side
    4,430.46x = 19,393,101.33
  5. Step 5: Solve for x
    x = 19,393,101.33/4,430.46
  6. Step 6: Final answer
    x = 4,377.22

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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.