Home / 9,854.67-14,778.84-3,279.09

Finding the Fourth Proportional to 9,854.67, 14,778.84 and 3,279.09

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Solution

The fourth proportional to 9,854.67, 14,778.84 and 3,279.09 is: 4,917.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,854.67 : 14,778.84 = 3,279.09 : x
  2. Step 2: Convert to fraction form
    9,854.67/14,778.84 = 3,279.09/x
  3. Step 3: Cross multiply
    9,854.67x = 14,778.84 × 3,279.09
  4. Step 4: Simplify right side
    9,854.67x = 48,461,146.46
  5. Step 5: Solve for x
    x = 48,461,146.46/9,854.67
  6. Step 6: Final answer
    x = 4,917.58

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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.