Home / 5,219.59-7,203.14-2,861.59

Finding the Fourth Proportional to 5,219.59, 7,203.14 and 2,861.59

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Solution

The fourth proportional to 5,219.59, 7,203.14 and 2,861.59 is: 3,949.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.59 : 7,203.14 = 2,861.59 : x
  2. Step 2: Convert to fraction form
    5,219.59/7,203.14 = 2,861.59/x
  3. Step 3: Cross multiply
    5,219.59x = 7,203.14 × 2,861.59
  4. Step 4: Simplify right side
    5,219.59x = 20,612,433.39
  5. Step 5: Solve for x
    x = 20,612,433.39/5,219.59
  6. Step 6: Final answer
    x = 3,949.05

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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.