Home / 8,071.34-11,138.40-4,534.52

Finding the Fourth Proportional to 8,071.34, 11,138.40 and 4,534.52

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Solution

The fourth proportional to 8,071.34, 11,138.40 and 4,534.52 is: 6,257.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.34 : 11,138.40 = 4,534.52 : x
  2. Step 2: Convert to fraction form
    8,071.34/11,138.40 = 4,534.52/x
  3. Step 3: Cross multiply
    8,071.34x = 11,138.40 × 4,534.52
  4. Step 4: Simplify right side
    8,071.34x = 50,507,241.88
  5. Step 5: Solve for x
    x = 50,507,241.88/8,071.34
  6. Step 6: Final answer
    x = 6,257.61

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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.