Home / 8,034.47-11,081.85-4,890.86

Finding the Fourth Proportional to 8,034.47, 11,081.85 and 4,890.86

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Solution

The fourth proportional to 8,034.47, 11,081.85 and 4,890.86 is: 6,745.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,034.47 : 11,081.85 = 4,890.86 : x
  2. Step 2: Convert to fraction form
    8,034.47/11,081.85 = 4,890.86/x
  3. Step 3: Cross multiply
    8,034.47x = 11,081.85 × 4,890.86
  4. Step 4: Simplify right side
    8,034.47x = 54,199,776.89
  5. Step 5: Solve for x
    x = 54,199,776.89/8,034.47
  6. Step 6: Final answer
    x = 6,745.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.