Home / 4,211.58-5,812.68-3,214.98

Finding the Fourth Proportional to 4,211.58, 5,812.68 and 3,214.98

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Solution

The fourth proportional to 4,211.58, 5,812.68 and 3,214.98 is: 4,437.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.58 : 5,812.68 = 3,214.98 : x
  2. Step 2: Convert to fraction form
    4,211.58/5,812.68 = 3,214.98/x
  3. Step 3: Cross multiply
    4,211.58x = 5,812.68 × 3,214.98
  4. Step 4: Simplify right side
    4,211.58x = 18,687,649.95
  5. Step 5: Solve for x
    x = 18,687,649.95/4,211.58
  6. Step 6: Final answer
    x = 4,437.21

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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.