Home / 5,365.80-8,045.91-2,079.86

Finding the Fourth Proportional to 5,365.80, 8,045.91 and 2,079.86

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Solution

The fourth proportional to 5,365.80, 8,045.91 and 2,079.86 is: 3,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365.80 : 8,045.91 = 2,079.86 : x
  2. Step 2: Convert to fraction form
    5,365.80/8,045.91 = 2,079.86/x
  3. Step 3: Cross multiply
    5,365.80x = 8,045.91 × 2,079.86
  4. Step 4: Simplify right side
    5,365.80x = 16,734,326.14
  5. Step 5: Solve for x
    x = 16,734,326.14/5,365.80
  6. Step 6: Final answer
    x = 3,118.70

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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.