Home / 8,908.26-13,364.88-3,911.10

Finding the Fourth Proportional to 8,908.26, 13,364.88 and 3,911.10

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Solution

The fourth proportional to 8,908.26, 13,364.88 and 3,911.10 is: 5,867.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.26 : 13,364.88 = 3,911.10 : x
  2. Step 2: Convert to fraction form
    8,908.26/13,364.88 = 3,911.10/x
  3. Step 3: Cross multiply
    8,908.26x = 13,364.88 × 3,911.10
  4. Step 4: Simplify right side
    8,908.26x = 52,271,382.17
  5. Step 5: Solve for x
    x = 52,271,382.17/8,908.26
  6. Step 6: Final answer
    x = 5,867.74

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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.