Home / 5,219.59-7,203.08-2,861.74

Finding the Fourth Proportional to 5,219.59, 7,203.08 and 2,861.74

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Solution

The fourth proportional to 5,219.59, 7,203.08 and 2,861.74 is: 3,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.59 : 7,203.08 = 2,861.74 : x
  2. Step 2: Convert to fraction form
    5,219.59/7,203.08 = 2,861.74/x
  3. Step 3: Cross multiply
    5,219.59x = 7,203.08 × 2,861.74
  4. Step 4: Simplify right side
    5,219.59x = 20,613,342.16
  5. Step 5: Solve for x
    x = 20,613,342.16/5,219.59
  6. Step 6: Final answer
    x = 3,949.23

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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.