Home / 8,277.54-11,422.50-4,920.66

Finding the Fourth Proportional to 8,277.54, 11,422.50 and 4,920.66

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Solution

The fourth proportional to 8,277.54, 11,422.50 and 4,920.66 is: 6,790.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,277.54 : 11,422.50 = 4,920.66 : x
  2. Step 2: Convert to fraction form
    8,277.54/11,422.50 = 4,920.66/x
  3. Step 3: Cross multiply
    8,277.54x = 11,422.50 × 4,920.66
  4. Step 4: Simplify right side
    8,277.54x = 56,206,238.85
  5. Step 5: Solve for x
    x = 56,206,238.85/8,277.54
  6. Step 6: Final answer
    x = 6,790.21

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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.