Home / 5,260.72-7,886.92-2,626.87

Finding the Fourth Proportional to 5,260.72, 7,886.92 and 2,626.87

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Solution

The fourth proportional to 5,260.72, 7,886.92 and 2,626.87 is: 3,938.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.72 : 7,886.92 = 2,626.87 : x
  2. Step 2: Convert to fraction form
    5,260.72/7,886.92 = 2,626.87/x
  3. Step 3: Cross multiply
    5,260.72x = 7,886.92 × 2,626.87
  4. Step 4: Simplify right side
    5,260.72x = 20,717,913.54
  5. Step 5: Solve for x
    x = 20,717,913.54/5,260.72
  6. Step 6: Final answer
    x = 3,938.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.