Home / 6,777.80-10,166.70-5,049.80

Finding the Fourth Proportional to 6,777.80, 10,166.70 and 5,049.80

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Solution

The fourth proportional to 6,777.80, 10,166.70 and 5,049.80 is: 7,574.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,777.80 : 10,166.70 = 5,049.80 : x
  2. Step 2: Convert to fraction form
    6,777.80/10,166.70 = 5,049.80/x
  3. Step 3: Cross multiply
    6,777.80x = 10,166.70 × 5,049.80
  4. Step 4: Simplify right side
    6,777.80x = 51,339,801.66
  5. Step 5: Solve for x
    x = 51,339,801.66/6,777.80
  6. Step 6: Final answer
    x = 7,574.70

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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.