Home / 8,739.76-13,096.92-5,400.88

Finding the Fourth Proportional to 8,739.76, 13,096.92 and 5,400.88

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Solution

The fourth proportional to 8,739.76, 13,096.92 and 5,400.88 is: 8,093.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.76 : 13,096.92 = 5,400.88 : x
  2. Step 2: Convert to fraction form
    8,739.76/13,096.92 = 5,400.88/x
  3. Step 3: Cross multiply
    8,739.76x = 13,096.92 × 5,400.88
  4. Step 4: Simplify right side
    8,739.76x = 70,734,893.29
  5. Step 5: Solve for x
    x = 70,734,893.29/8,739.76
  6. Step 6: Final answer
    x = 8,093.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.