Home / 8,493.24-12,739.86-3,873.72

Finding the Fourth Proportional to 8,493.24, 12,739.86 and 3,873.72

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Solution

The fourth proportional to 8,493.24, 12,739.86 and 3,873.72 is: 5,810.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.24 : 12,739.86 = 3,873.72 : x
  2. Step 2: Convert to fraction form
    8,493.24/12,739.86 = 3,873.72/x
  3. Step 3: Cross multiply
    8,493.24x = 12,739.86 × 3,873.72
  4. Step 4: Simplify right side
    8,493.24x = 49,350,650.48
  5. Step 5: Solve for x
    x = 49,350,650.48/8,493.24
  6. Step 6: Final answer
    x = 5,810.58

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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.