Home / 7,271.31-10,035.71-4,286.97

Finding the Fourth Proportional to 7,271.31, 10,035.71 and 4,286.97

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Solution

The fourth proportional to 7,271.31, 10,035.71 and 4,286.97 is: 5,916.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.31 : 10,035.71 = 4,286.97 : x
  2. Step 2: Convert to fraction form
    7,271.31/10,035.71 = 4,286.97/x
  3. Step 3: Cross multiply
    7,271.31x = 10,035.71 × 4,286.97
  4. Step 4: Simplify right side
    7,271.31x = 43,022,766.26
  5. Step 5: Solve for x
    x = 43,022,766.26/7,271.31
  6. Step 6: Final answer
    x = 5,916.78

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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.