Home / 5,805.06-8,708.19-1,909.77

Finding the Fourth Proportional to 5,805.06, 8,708.19 and 1,909.77

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Solution

The fourth proportional to 5,805.06, 8,708.19 and 1,909.77 is: 2,864.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.06 : 8,708.19 = 1,909.77 : x
  2. Step 2: Convert to fraction form
    5,805.06/8,708.19 = 1,909.77/x
  3. Step 3: Cross multiply
    5,805.06x = 8,708.19 × 1,909.77
  4. Step 4: Simplify right side
    5,805.06x = 16,630,640.02
  5. Step 5: Solve for x
    x = 16,630,640.02/5,805.06
  6. Step 6: Final answer
    x = 2,864.85

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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.