Home / 8,991.36-13,493.10-3,148.02

Finding the Fourth Proportional to 8,991.36, 13,493.10 and 3,148.02

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Solution

The fourth proportional to 8,991.36, 13,493.10 and 3,148.02 is: 4,724.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991.36 : 13,493.10 = 3,148.02 : x
  2. Step 2: Convert to fraction form
    8,991.36/13,493.10 = 3,148.02/x
  3. Step 3: Cross multiply
    8,991.36x = 13,493.10 × 3,148.02
  4. Step 4: Simplify right side
    8,991.36x = 42,476,548.66
  5. Step 5: Solve for x
    x = 42,476,548.66/8,991.36
  6. Step 6: Final answer
    x = 4,724.15

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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.