Home / 8,161.72-11,263.11-4,435.72

Finding the Fourth Proportional to 8,161.72, 11,263.11 and 4,435.72

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Solution

The fourth proportional to 8,161.72, 11,263.11 and 4,435.72 is: 6,121.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.72 : 11,263.11 = 4,435.72 : x
  2. Step 2: Convert to fraction form
    8,161.72/11,263.11 = 4,435.72/x
  3. Step 3: Cross multiply
    8,161.72x = 11,263.11 × 4,435.72
  4. Step 4: Simplify right side
    8,161.72x = 49,960,002.29
  5. Step 5: Solve for x
    x = 49,960,002.29/8,161.72
  6. Step 6: Final answer
    x = 6,121.26

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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.