Home / 5,777.37-7,972.77-3,386.85

Finding the Fourth Proportional to 5,777.37, 7,972.77 and 3,386.85

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Solution

The fourth proportional to 5,777.37, 7,972.77 and 3,386.85 is: 4,673.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.37 : 7,972.77 = 3,386.85 : x
  2. Step 2: Convert to fraction form
    5,777.37/7,972.77 = 3,386.85/x
  3. Step 3: Cross multiply
    5,777.37x = 7,972.77 × 3,386.85
  4. Step 4: Simplify right side
    5,777.37x = 27,002,576.07
  5. Step 5: Solve for x
    x = 27,002,576.07/5,777.37
  6. Step 6: Final answer
    x = 4,673.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.