Home / 5,822.67-8,029.70-3,912.81

Finding the Fourth Proportional to 5,822.67, 8,029.70 and 3,912.81

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Solution

The fourth proportional to 5,822.67, 8,029.70 and 3,912.81 is: 5,395.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,822.67 : 8,029.70 = 3,912.81 : x
  2. Step 2: Convert to fraction form
    5,822.67/8,029.70 = 3,912.81/x
  3. Step 3: Cross multiply
    5,822.67x = 8,029.70 × 3,912.81
  4. Step 4: Simplify right side
    5,822.67x = 31,418,655.45
  5. Step 5: Solve for x
    x = 31,418,655.45/5,822.67
  6. Step 6: Final answer
    x = 5,395.92

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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.