Home / 4,207.80-6,277.24-3,909.48

Finding the Fourth Proportional to 4,207.80, 6,277.24 and 3,909.48

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Solution

The fourth proportional to 4,207.80, 6,277.24 and 3,909.48 is: 5,832.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.80 : 6,277.24 = 3,909.48 : x
  2. Step 2: Convert to fraction form
    4,207.80/6,277.24 = 3,909.48/x
  3. Step 3: Cross multiply
    4,207.80x = 6,277.24 × 3,909.48
  4. Step 4: Simplify right side
    4,207.80x = 24,540,744.24
  5. Step 5: Solve for x
    x = 24,540,744.24/4,207.80
  6. Step 6: Final answer
    x = 5,832.20

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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.