Home / 8,155.27-12,215.32-5,508.23

Finding the Fourth Proportional to 8,155.27, 12,215.32 and 5,508.23

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Solution

The fourth proportional to 8,155.27, 12,215.32 and 5,508.23 is: 8,250.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.27 : 12,215.32 = 5,508.23 : x
  2. Step 2: Convert to fraction form
    8,155.27/12,215.32 = 5,508.23/x
  3. Step 3: Cross multiply
    8,155.27x = 12,215.32 × 5,508.23
  4. Step 4: Simplify right side
    8,155.27x = 67,284,717.24
  5. Step 5: Solve for x
    x = 67,284,717.24/8,155.27
  6. Step 6: Final answer
    x = 8,250.46

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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.