Home / 5,100.32-7,643.74-2,760.92

Finding the Fourth Proportional to 5,100.32, 7,643.74 and 2,760.92

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Solution

The fourth proportional to 5,100.32, 7,643.74 and 2,760.92 is: 4,137.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.32 : 7,643.74 = 2,760.92 : x
  2. Step 2: Convert to fraction form
    5,100.32/7,643.74 = 2,760.92/x
  3. Step 3: Cross multiply
    5,100.32x = 7,643.74 × 2,760.92
  4. Step 4: Simplify right side
    5,100.32x = 21,103,754.64
  5. Step 5: Solve for x
    x = 21,103,754.64/5,100.32
  6. Step 6: Final answer
    x = 4,137.73

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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.