Home / 8,077.08-12,113.27-3,145.62

Finding the Fourth Proportional to 8,077.08, 12,113.27 and 3,145.62

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Solution

The fourth proportional to 8,077.08, 12,113.27 and 3,145.62 is: 4,717.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.08 : 12,113.27 = 3,145.62 : x
  2. Step 2: Convert to fraction form
    8,077.08/12,113.27 = 3,145.62/x
  3. Step 3: Cross multiply
    8,077.08x = 12,113.27 × 3,145.62
  4. Step 4: Simplify right side
    8,077.08x = 38,103,668.08
  5. Step 5: Solve for x
    x = 38,103,668.08/8,077.08
  6. Step 6: Final answer
    x = 4,717.51

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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.