Home / 8,152.54-12,229.87-2,309.20

Finding the Fourth Proportional to 8,152.54, 12,229.87 and 2,309.20

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Solution

The fourth proportional to 8,152.54, 12,229.87 and 2,309.20 is: 3,464.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,152.54 : 12,229.87 = 2,309.20 : x
  2. Step 2: Convert to fraction form
    8,152.54/12,229.87 = 2,309.20/x
  3. Step 3: Cross multiply
    8,152.54x = 12,229.87 × 2,309.20
  4. Step 4: Simplify right side
    8,152.54x = 28,241,154.65
  5. Step 5: Solve for x
    x = 28,241,154.65/8,152.54
  6. Step 6: Final answer
    x = 3,464.09

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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.