Home / 5,239.02-7,229.99-2,881.23

Finding the Fourth Proportional to 5,239.02, 7,229.99 and 2,881.23

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Solution

The fourth proportional to 5,239.02, 7,229.99 and 2,881.23 is: 3,976.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.02 : 7,229.99 = 2,881.23 : x
  2. Step 2: Convert to fraction form
    5,239.02/7,229.99 = 2,881.23/x
  3. Step 3: Cross multiply
    5,239.02x = 7,229.99 × 2,881.23
  4. Step 4: Simplify right side
    5,239.02x = 20,831,264.09
  5. Step 5: Solve for x
    x = 20,831,264.09/5,239.02
  6. Step 6: Final answer
    x = 3,976.18

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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.