Home / 8,155.52-12,234.04-2,312.24

Finding the Fourth Proportional to 8,155.52, 12,234.04 and 2,312.24

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Solution

The fourth proportional to 8,155.52, 12,234.04 and 2,312.24 is: 3,468.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.52 : 12,234.04 = 2,312.24 : x
  2. Step 2: Convert to fraction form
    8,155.52/12,234.04 = 2,312.24/x
  3. Step 3: Cross multiply
    8,155.52x = 12,234.04 × 2,312.24
  4. Step 4: Simplify right side
    8,155.52x = 28,288,036.65
  5. Step 5: Solve for x
    x = 28,288,036.65/8,155.52
  6. Step 6: Final answer
    x = 3,468.58

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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.