Home / 5,723.95-8,569.71-3,638.77

Finding the Fourth Proportional to 5,723.95, 8,569.71 and 3,638.77

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Solution

The fourth proportional to 5,723.95, 8,569.71 and 3,638.77 is: 5,447.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,723.95 : 8,569.71 = 3,638.77 : x
  2. Step 2: Convert to fraction form
    5,723.95/8,569.71 = 3,638.77/x
  3. Step 3: Cross multiply
    5,723.95x = 8,569.71 × 3,638.77
  4. Step 4: Simplify right side
    5,723.95x = 31,183,203.66
  5. Step 5: Solve for x
    x = 31,183,203.66/5,723.95
  6. Step 6: Final answer
    x = 5,447.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.