Home / 5,785.29-7,981.74-3,795.66

Finding the Fourth Proportional to 5,785.29, 7,981.74 and 3,795.66

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Solution

The fourth proportional to 5,785.29, 7,981.74 and 3,795.66 is: 5,236.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.29 : 7,981.74 = 3,795.66 : x
  2. Step 2: Convert to fraction form
    5,785.29/7,981.74 = 3,795.66/x
  3. Step 3: Cross multiply
    5,785.29x = 7,981.74 × 3,795.66
  4. Step 4: Simplify right side
    5,785.29x = 30,295,971.25
  5. Step 5: Solve for x
    x = 30,295,971.25/5,785.29
  6. Step 6: Final answer
    x = 5,236.72

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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.