Home / 8,859.59-12,226.64-5,675.57

Finding the Fourth Proportional to 8,859.59, 12,226.64 and 5,675.57

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Solution

The fourth proportional to 8,859.59, 12,226.64 and 5,675.57 is: 7,832.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.59 : 12,226.64 = 5,675.57 : x
  2. Step 2: Convert to fraction form
    8,859.59/12,226.64 = 5,675.57/x
  3. Step 3: Cross multiply
    8,859.59x = 12,226.64 × 5,675.57
  4. Step 4: Simplify right side
    8,859.59x = 69,393,061.67
  5. Step 5: Solve for x
    x = 69,393,061.67/8,859.59
  6. Step 6: Final answer
    x = 7,832.54

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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.