Home / 5,219.08-7,202.30-2,861.32

Finding the Fourth Proportional to 5,219.08, 7,202.30 and 2,861.32

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Solution

The fourth proportional to 5,219.08, 7,202.30 and 2,861.32 is: 3,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.08 : 7,202.30 = 2,861.32 : x
  2. Step 2: Convert to fraction form
    5,219.08/7,202.30 = 2,861.32/x
  3. Step 3: Cross multiply
    5,219.08x = 7,202.30 × 2,861.32
  4. Step 4: Simplify right side
    5,219.08x = 20,608,085.04
  5. Step 5: Solve for x
    x = 20,608,085.04/5,219.08
  6. Step 6: Final answer
    x = 3,948.60

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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.