Home / 5,715.63-7,883.73-3,726.81

Finding the Fourth Proportional to 5,715.63, 7,883.73 and 3,726.81

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Solution

The fourth proportional to 5,715.63, 7,883.73 and 3,726.81 is: 5,140.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.63 : 7,883.73 = 3,726.81 : x
  2. Step 2: Convert to fraction form
    5,715.63/7,883.73 = 3,726.81/x
  3. Step 3: Cross multiply
    5,715.63x = 7,883.73 × 3,726.81
  4. Step 4: Simplify right side
    5,715.63x = 29,381,163.80
  5. Step 5: Solve for x
    x = 29,381,163.80/5,715.63
  6. Step 6: Final answer
    x = 5,140.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.