Home / 8,226.12-11,355.68-5,393.55

Finding the Fourth Proportional to 8,226.12, 11,355.68 and 5,393.55

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Solution

The fourth proportional to 8,226.12, 11,355.68 and 5,393.55 is: 7,445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.12 : 11,355.68 = 5,393.55 : x
  2. Step 2: Convert to fraction form
    8,226.12/11,355.68 = 5,393.55/x
  3. Step 3: Cross multiply
    8,226.12x = 11,355.68 × 5,393.55
  4. Step 4: Simplify right side
    8,226.12x = 61,247,400.90
  5. Step 5: Solve for x
    x = 61,247,400.90/8,226.12
  6. Step 6: Final answer
    x = 7,445.48

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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.