Home / 8,034.72-11,089.20-4,890.36

Finding the Fourth Proportional to 8,034.72, 11,089.20 and 4,890.36

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Solution

The fourth proportional to 8,034.72, 11,089.20 and 4,890.36 is: 6,749.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,034.72 : 11,089.20 = 4,890.36 : x
  2. Step 2: Convert to fraction form
    8,034.72/11,089.20 = 4,890.36/x
  3. Step 3: Cross multiply
    8,034.72x = 11,089.20 × 4,890.36
  4. Step 4: Simplify right side
    8,034.72x = 54,230,180.11
  5. Step 5: Solve for x
    x = 54,230,180.11/8,034.72
  6. Step 6: Final answer
    x = 6,749.48

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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.