Home / 5,218.60-7,847.10-4,373.80

Finding the Fourth Proportional to 5,218.60, 7,847.10 and 4,373.80

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Solution

The fourth proportional to 5,218.60, 7,847.10 and 4,373.80 is: 6,576.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.60 : 7,847.10 = 4,373.80 : x
  2. Step 2: Convert to fraction form
    5,218.60/7,847.10 = 4,373.80/x
  3. Step 3: Cross multiply
    5,218.60x = 7,847.10 × 4,373.80
  4. Step 4: Simplify right side
    5,218.60x = 34,321,645.98
  5. Step 5: Solve for x
    x = 34,321,645.98/5,218.60
  6. Step 6: Final answer
    x = 6,576.79

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1.5x scale

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.