Home / 5,239.14-7,230-2,881.23

Finding the Fourth Proportional to 5,239.14, 7,230 and 2,881.23

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Solution

The fourth proportional to 5,239.14, 7,230 and 2,881.23 is: 3,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.14 : 7,230 = 2,881.23 : x
  2. Step 2: Convert to fraction form
    5,239.14/7,230 = 2,881.23/x
  3. Step 3: Cross multiply
    5,239.14x = 7,230 × 2,881.23
  4. Step 4: Simplify right side
    5,239.14x = 20,831,292.90
  5. Step 5: Solve for x
    x = 20,831,292.90/5,239.14
  6. Step 6: Final answer
    x = 3,976.09

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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.