Home / 5,271.36-7,274.19-2,913.36

Finding the Fourth Proportional to 5,271.36, 7,274.19 and 2,913.36

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Solution

The fourth proportional to 5,271.36, 7,274.19 and 2,913.36 is: 4,020.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.36 : 7,274.19 = 2,913.36 : x
  2. Step 2: Convert to fraction form
    5,271.36/7,274.19 = 2,913.36/x
  3. Step 3: Cross multiply
    5,271.36x = 7,274.19 × 2,913.36
  4. Step 4: Simplify right side
    5,271.36x = 21,192,334.18
  5. Step 5: Solve for x
    x = 21,192,334.18/5,271.36
  6. Step 6: Final answer
    x = 4,020.28

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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.