Home / 9,855.24-14,779.68-3,279.68

Finding the Fourth Proportional to 9,855.24, 14,779.68 and 3,279.68

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Solution

The fourth proportional to 9,855.24, 14,779.68 and 3,279.68 is: 4,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855.24 : 14,779.68 = 3,279.68 : x
  2. Step 2: Convert to fraction form
    9,855.24/14,779.68 = 3,279.68/x
  3. Step 3: Cross multiply
    9,855.24x = 14,779.68 × 3,279.68
  4. Step 4: Simplify right side
    9,855.24x = 48,472,620.90
  5. Step 5: Solve for x
    x = 48,472,620.90/9,855.24
  6. Step 6: Final answer
    x = 4,918.46

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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.