Home / 5,379.12-8,068.68-2,456.64

Finding the Fourth Proportional to 5,379.12, 8,068.68 and 2,456.64

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Solution

The fourth proportional to 5,379.12, 8,068.68 and 2,456.64 is: 3,684.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.12 : 8,068.68 = 2,456.64 : x
  2. Step 2: Convert to fraction form
    5,379.12/8,068.68 = 2,456.64/x
  3. Step 3: Cross multiply
    5,379.12x = 8,068.68 × 2,456.64
  4. Step 4: Simplify right side
    5,379.12x = 19,821,842.04
  5. Step 5: Solve for x
    x = 19,821,842.04/5,379.12
  6. Step 6: Final answer
    x = 3,684.96

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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.