Home / 5,271.54-7,274.51-2,881.47

Finding the Fourth Proportional to 5,271.54, 7,274.51 and 2,881.47

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Solution

The fourth proportional to 5,271.54, 7,274.51 and 2,881.47 is: 3,976.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.54 : 7,274.51 = 2,881.47 : x
  2. Step 2: Convert to fraction form
    5,271.54/7,274.51 = 2,881.47/x
  3. Step 3: Cross multiply
    5,271.54x = 7,274.51 × 2,881.47
  4. Step 4: Simplify right side
    5,271.54x = 20,961,306.01
  5. Step 5: Solve for x
    x = 20,961,306.01/5,271.54
  6. Step 6: Final answer
    x = 3,976.31

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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.