Home / 5,669.68-7,823.81-3,151.70

Finding the Fourth Proportional to 5,669.68, 7,823.81 and 3,151.70

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Solution

The fourth proportional to 5,669.68, 7,823.81 and 3,151.70 is: 4,349.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.68 : 7,823.81 = 3,151.70 : x
  2. Step 2: Convert to fraction form
    5,669.68/7,823.81 = 3,151.70/x
  3. Step 3: Cross multiply
    5,669.68x = 7,823.81 × 3,151.70
  4. Step 4: Simplify right side
    5,669.68x = 24,658,301.98
  5. Step 5: Solve for x
    x = 24,658,301.98/5,669.68
  6. Step 6: Final answer
    x = 4,349.15

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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.