Home / 9,982.91-13,776.39-5,734.25

Finding the Fourth Proportional to 9,982.91, 13,776.39 and 5,734.25

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Solution

The fourth proportional to 9,982.91, 13,776.39 and 5,734.25 is: 7,913.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982.91 : 13,776.39 = 5,734.25 : x
  2. Step 2: Convert to fraction form
    9,982.91/13,776.39 = 5,734.25/x
  3. Step 3: Cross multiply
    9,982.91x = 13,776.39 × 5,734.25
  4. Step 4: Simplify right side
    9,982.91x = 78,997,264.36
  5. Step 5: Solve for x
    x = 78,997,264.36/9,982.91
  6. Step 6: Final answer
    x = 7,913.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.