Home / 8,071.57-11,138.34-4,534.66

Finding the Fourth Proportional to 8,071.57, 11,138.34 and 4,534.66

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Solution

The fourth proportional to 8,071.57, 11,138.34 and 4,534.66 is: 6,257.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.57 : 11,138.34 = 4,534.66 : x
  2. Step 2: Convert to fraction form
    8,071.57/11,138.34 = 4,534.66/x
  3. Step 3: Cross multiply
    8,071.57x = 11,138.34 × 4,534.66
  4. Step 4: Simplify right side
    8,071.57x = 50,508,584.86
  5. Step 5: Solve for x
    x = 50,508,584.86/8,071.57
  6. Step 6: Final answer
    x = 6,257.59

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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.