Home / 8,971.92-13,464.09-5,229.90

Finding the Fourth Proportional to 8,971.92, 13,464.09 and 5,229.90

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Solution

The fourth proportional to 8,971.92, 13,464.09 and 5,229.90 is: 7,848.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.92 : 13,464.09 = 5,229.90 : x
  2. Step 2: Convert to fraction form
    8,971.92/13,464.09 = 5,229.90/x
  3. Step 3: Cross multiply
    8,971.92x = 13,464.09 × 5,229.90
  4. Step 4: Simplify right side
    8,971.92x = 70,415,844.29
  5. Step 5: Solve for x
    x = 70,415,844.29/8,971.92
  6. Step 6: Final answer
    x = 7,848.47

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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.