Home / 9,213.51-13,817.82-2,639.97

Finding the Fourth Proportional to 9,213.51, 13,817.82 and 2,639.97

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Solution

The fourth proportional to 9,213.51, 13,817.82 and 2,639.97 is: 3,959.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.51 : 13,817.82 = 2,639.97 : x
  2. Step 2: Convert to fraction form
    9,213.51/13,817.82 = 2,639.97/x
  3. Step 3: Cross multiply
    9,213.51x = 13,817.82 × 2,639.97
  4. Step 4: Simplify right side
    9,213.51x = 36,478,630.27
  5. Step 5: Solve for x
    x = 36,478,630.27/9,213.51
  6. Step 6: Final answer
    x = 3,959.25

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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.