Home / 5,271.62-7,274.34-2,913.71

Finding the Fourth Proportional to 5,271.62, 7,274.34 and 2,913.71

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Solution

The fourth proportional to 5,271.62, 7,274.34 and 2,913.71 is: 4,020.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.62 : 7,274.34 = 2,913.71 : x
  2. Step 2: Convert to fraction form
    5,271.62/7,274.34 = 2,913.71/x
  3. Step 3: Cross multiply
    5,271.62x = 7,274.34 × 2,913.71
  4. Step 4: Simplify right side
    5,271.62x = 21,195,280.83
  5. Step 5: Solve for x
    x = 21,195,280.83/5,271.62
  6. Step 6: Final answer
    x = 4,020.64

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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.