Home / 7,766.19-11,648.15-2,834.66

Finding the Fourth Proportional to 7,766.19, 11,648.15 and 2,834.66

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Solution

The fourth proportional to 7,766.19, 11,648.15 and 2,834.66 is: 4,251.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.19 : 11,648.15 = 2,834.66 : x
  2. Step 2: Convert to fraction form
    7,766.19/11,648.15 = 2,834.66/x
  3. Step 3: Cross multiply
    7,766.19x = 11,648.15 × 2,834.66
  4. Step 4: Simplify right side
    7,766.19x = 33,018,570.46
  5. Step 5: Solve for x
    x = 33,018,570.46/7,766.19
  6. Step 6: Final answer
    x = 4,251.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.