Home / 6,115.21-9,176.46-2,219.11

Finding the Fourth Proportional to 6,115.21, 9,176.46 and 2,219.11

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Solution

The fourth proportional to 6,115.21, 9,176.46 and 2,219.11 is: 3,329.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.21 : 9,176.46 = 2,219.11 : x
  2. Step 2: Convert to fraction form
    6,115.21/9,176.46 = 2,219.11/x
  3. Step 3: Cross multiply
    6,115.21x = 9,176.46 × 2,219.11
  4. Step 4: Simplify right side
    6,115.21x = 20,363,574.15
  5. Step 5: Solve for x
    x = 20,363,574.15/6,115.21
  6. Step 6: Final answer
    x = 3,329.99

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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.