Home / 8,839.20-13,263.44-3,912.24

Finding the Fourth Proportional to 8,839.20, 13,263.44 and 3,912.24

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Solution

The fourth proportional to 8,839.20, 13,263.44 and 3,912.24 is: 5,870.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.20 : 13,263.44 = 3,912.24 : x
  2. Step 2: Convert to fraction form
    8,839.20/13,263.44 = 3,912.24/x
  3. Step 3: Cross multiply
    8,839.20x = 13,263.44 × 3,912.24
  4. Step 4: Simplify right side
    8,839.20x = 51,889,760.51
  5. Step 5: Solve for x
    x = 51,889,760.51/8,839.20
  6. Step 6: Final answer
    x = 5,870.41

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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.