Home / 4,447.80-6,671.70-2,719.80

Finding the Fourth Proportional to 4,447.80, 6,671.70 and 2,719.80

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Solution

The fourth proportional to 4,447.80, 6,671.70 and 2,719.80 is: 4,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,447.80 : 6,671.70 = 2,719.80 : x
  2. Step 2: Convert to fraction form
    4,447.80/6,671.70 = 2,719.80/x
  3. Step 3: Cross multiply
    4,447.80x = 6,671.70 × 2,719.80
  4. Step 4: Simplify right side
    4,447.80x = 18,145,689.66
  5. Step 5: Solve for x
    x = 18,145,689.66/4,447.80
  6. Step 6: Final answer
    x = 4,079.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.