Home / 8,439.44-12,645.75-5,655.83

Finding the Fourth Proportional to 8,439.44, 12,645.75 and 5,655.83

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Solution

The fourth proportional to 8,439.44, 12,645.75 and 5,655.83 is: 8,474.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439.44 : 12,645.75 = 5,655.83 : x
  2. Step 2: Convert to fraction form
    8,439.44/12,645.75 = 5,655.83/x
  3. Step 3: Cross multiply
    8,439.44x = 12,645.75 × 5,655.83
  4. Step 4: Simplify right side
    8,439.44x = 71,522,212.22
  5. Step 5: Solve for x
    x = 71,522,212.22/8,439.44
  6. Step 6: Final answer
    x = 8,474.76

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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.