Home / 5,100.35-7,653.38-2,760.30

Finding the Fourth Proportional to 5,100.35, 7,653.38 and 2,760.30

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Solution

The fourth proportional to 5,100.35, 7,653.38 and 2,760.30 is: 4,142.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.35 : 7,653.38 = 2,760.30 : x
  2. Step 2: Convert to fraction form
    5,100.35/7,653.38 = 2,760.30/x
  3. Step 3: Cross multiply
    5,100.35x = 7,653.38 × 2,760.30
  4. Step 4: Simplify right side
    5,100.35x = 21,125,611.01
  5. Step 5: Solve for x
    x = 21,125,611.01/5,100.35
  6. Step 6: Final answer
    x = 4,142.00

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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.