Home / 8,724.80-13,081.44-3,525.44

Finding the Fourth Proportional to 8,724.80, 13,081.44 and 3,525.44

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Solution

The fourth proportional to 8,724.80, 13,081.44 and 3,525.44 is: 5,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.80 : 13,081.44 = 3,525.44 : x
  2. Step 2: Convert to fraction form
    8,724.80/13,081.44 = 3,525.44/x
  3. Step 3: Cross multiply
    8,724.80x = 13,081.44 × 3,525.44
  4. Step 4: Simplify right side
    8,724.80x = 46,117,831.83
  5. Step 5: Solve for x
    x = 46,117,831.83/8,724.80
  6. Step 6: Final answer
    x = 5,285.83

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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.