Home / 8,727.36-13,079.52-5,031.60

Finding the Fourth Proportional to 8,727.36, 13,079.52 and 5,031.60

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Solution

The fourth proportional to 8,727.36, 13,079.52 and 5,031.60 is: 7,540.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.36 : 13,079.52 = 5,031.60 : x
  2. Step 2: Convert to fraction form
    8,727.36/13,079.52 = 5,031.60/x
  3. Step 3: Cross multiply
    8,727.36x = 13,079.52 × 5,031.60
  4. Step 4: Simplify right side
    8,727.36x = 65,810,912.83
  5. Step 5: Solve for x
    x = 65,810,912.83/8,727.36
  6. Step 6: Final answer
    x = 7,540.76

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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.