Home / 5,669.89-7,824.08-3,151.85

Finding the Fourth Proportional to 5,669.89, 7,824.08 and 3,151.85

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Solution

The fourth proportional to 5,669.89, 7,824.08 and 3,151.85 is: 4,349.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.89 : 7,824.08 = 3,151.85 : x
  2. Step 2: Convert to fraction form
    5,669.89/7,824.08 = 3,151.85/x
  3. Step 3: Cross multiply
    5,669.89x = 7,824.08 × 3,151.85
  4. Step 4: Simplify right side
    5,669.89x = 24,660,295.31
  5. Step 5: Solve for x
    x = 24,660,295.31/5,669.89
  6. Step 6: Final answer
    x = 4,349.34

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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.