Home / 5,421.57-7,481.57-3,063.66

Finding the Fourth Proportional to 5,421.57, 7,481.57 and 3,063.66

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Solution

The fourth proportional to 5,421.57, 7,481.57 and 3,063.66 is: 4,227.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.57 : 7,481.57 = 3,063.66 : x
  2. Step 2: Convert to fraction form
    5,421.57/7,481.57 = 3,063.66/x
  3. Step 3: Cross multiply
    5,421.57x = 7,481.57 × 3,063.66
  4. Step 4: Simplify right side
    5,421.57x = 22,920,994.41
  5. Step 5: Solve for x
    x = 22,920,994.41/5,421.57
  6. Step 6: Final answer
    x = 4,227.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.