Home / 4,258.83-6,385.29-1,791.65

Finding the Fourth Proportional to 4,258.83, 6,385.29 and 1,791.65

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Solution

The fourth proportional to 4,258.83, 6,385.29 and 1,791.65 is: 2,686.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.83 : 6,385.29 = 1,791.65 : x
  2. Step 2: Convert to fraction form
    4,258.83/6,385.29 = 1,791.65/x
  3. Step 3: Cross multiply
    4,258.83x = 6,385.29 × 1,791.65
  4. Step 4: Simplify right side
    4,258.83x = 11,440,204.83
  5. Step 5: Solve for x
    x = 11,440,204.83/4,258.83
  6. Step 6: Final answer
    x = 2,686.23

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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.