Home / 4,189.32-6,247.35-3,671.72

Finding the Fourth Proportional to 4,189.32, 6,247.35 and 3,671.72

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Solution

The fourth proportional to 4,189.32, 6,247.35 and 3,671.72 is: 5,475.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.32 : 6,247.35 = 3,671.72 : x
  2. Step 2: Convert to fraction form
    4,189.32/6,247.35 = 3,671.72/x
  3. Step 3: Cross multiply
    4,189.32x = 6,247.35 × 3,671.72
  4. Step 4: Simplify right side
    4,189.32x = 22,938,519.94
  5. Step 5: Solve for x
    x = 22,938,519.94/4,189.32
  6. Step 6: Final answer
    x = 5,475.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.