Home / 5,669.83-7,824.21-3,151.88

Finding the Fourth Proportional to 5,669.83, 7,824.21 and 3,151.88

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Solution

The fourth proportional to 5,669.83, 7,824.21 and 3,151.88 is: 4,349.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.83 : 7,824.21 = 3,151.88 : x
  2. Step 2: Convert to fraction form
    5,669.83/7,824.21 = 3,151.88/x
  3. Step 3: Cross multiply
    5,669.83x = 7,824.21 × 3,151.88
  4. Step 4: Simplify right side
    5,669.83x = 24,660,971.01
  5. Step 5: Solve for x
    x = 24,660,971.01/5,669.83
  6. Step 6: Final answer
    x = 4,349.51

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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.