Home / 8,406.43-11,595.20-5,217.82

Finding the Fourth Proportional to 8,406.43, 11,595.20 and 5,217.82

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Solution

The fourth proportional to 8,406.43, 11,595.20 and 5,217.82 is: 7,197.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,406.43 : 11,595.20 = 5,217.82 : x
  2. Step 2: Convert to fraction form
    8,406.43/11,595.20 = 5,217.82/x
  3. Step 3: Cross multiply
    8,406.43x = 11,595.20 × 5,217.82
  4. Step 4: Simplify right side
    8,406.43x = 60,501,640.74
  5. Step 5: Solve for x
    x = 60,501,640.74/8,406.43
  6. Step 6: Final answer
    x = 7,197.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.