Home / 4,397.88-6,596.82-3,421.20

Finding the Fourth Proportional to 4,397.88, 6,596.82 and 3,421.20

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Solution

The fourth proportional to 4,397.88, 6,596.82 and 3,421.20 is: 5,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,397.88 : 6,596.82 = 3,421.20 : x
  2. Step 2: Convert to fraction form
    4,397.88/6,596.82 = 3,421.20/x
  3. Step 3: Cross multiply
    4,397.88x = 6,596.82 × 3,421.20
  4. Step 4: Simplify right side
    4,397.88x = 22,569,040.58
  5. Step 5: Solve for x
    x = 22,569,040.58/4,397.88
  6. Step 6: Final answer
    x = 5,131.80

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Similar ratio
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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.