Home / 6,115.30-9,176.55-2,219.20

Finding the Fourth Proportional to 6,115.30, 9,176.55 and 2,219.20

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Solution

The fourth proportional to 6,115.30, 9,176.55 and 2,219.20 is: 3,330.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.30 : 9,176.55 = 2,219.20 : x
  2. Step 2: Convert to fraction form
    6,115.30/9,176.55 = 2,219.20/x
  3. Step 3: Cross multiply
    6,115.30x = 9,176.55 × 2,219.20
  4. Step 4: Simplify right side
    6,115.30x = 20,364,599.76
  5. Step 5: Solve for x
    x = 20,364,599.76/6,115.30
  6. Step 6: Final answer
    x = 3,330.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.