Home / 9,853.18-14,779.90-3,279.39

Finding the Fourth Proportional to 9,853.18, 14,779.90 and 3,279.39

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Solution

The fourth proportional to 9,853.18, 14,779.90 and 3,279.39 is: 4,919.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,853.18 : 14,779.90 = 3,279.39 : x
  2. Step 2: Convert to fraction form
    9,853.18/14,779.90 = 3,279.39/x
  3. Step 3: Cross multiply
    9,853.18x = 14,779.90 × 3,279.39
  4. Step 4: Simplify right side
    9,853.18x = 48,469,004.94
  5. Step 5: Solve for x
    x = 48,469,004.94/9,853.18
  6. Step 6: Final answer
    x = 4,919.12

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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.