Home / 5,239.19-7,229.93-2,881.33

Finding the Fourth Proportional to 5,239.19, 7,229.93 and 2,881.33

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Solution

The fourth proportional to 5,239.19, 7,229.93 and 2,881.33 is: 3,976.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.19 : 7,229.93 = 2,881.33 : x
  2. Step 2: Convert to fraction form
    5,239.19/7,229.93 = 2,881.33/x
  3. Step 3: Cross multiply
    5,239.19x = 7,229.93 × 2,881.33
  4. Step 4: Simplify right side
    5,239.19x = 20,831,790.70
  5. Step 5: Solve for x
    x = 20,831,790.70/5,239.19
  6. Step 6: Final answer
    x = 3,976.15

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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.