Home / 6,777.04-10,137.84-5,121.28

Finding the Fourth Proportional to 6,777.04, 10,137.84 and 5,121.28

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Solution

The fourth proportional to 6,777.04, 10,137.84 and 5,121.28 is: 7,660.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,777.04 : 10,137.84 = 5,121.28 : x
  2. Step 2: Convert to fraction form
    6,777.04/10,137.84 = 5,121.28/x
  3. Step 3: Cross multiply
    6,777.04x = 10,137.84 × 5,121.28
  4. Step 4: Simplify right side
    6,777.04x = 51,918,717.24
  5. Step 5: Solve for x
    x = 51,918,717.24/6,777.04
  6. Step 6: Final answer
    x = 7,660.97

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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.