Home / 8,113.13-11,193.57-6,406.26

Finding the Fourth Proportional to 8,113.13, 11,193.57 and 6,406.26

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Solution

The fourth proportional to 8,113.13, 11,193.57 and 6,406.26 is: 8,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.13 : 11,193.57 = 6,406.26 : x
  2. Step 2: Convert to fraction form
    8,113.13/11,193.57 = 6,406.26/x
  3. Step 3: Cross multiply
    8,113.13x = 11,193.57 × 6,406.26
  4. Step 4: Simplify right side
    8,113.13x = 71,708,919.75
  5. Step 5: Solve for x
    x = 71,708,919.75/8,113.13
  6. Step 6: Final answer
    x = 8,838.62

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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.