Home / 6,287.97-9,433.32-1,905.77

Finding the Fourth Proportional to 6,287.97, 9,433.32 and 1,905.77

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Solution

The fourth proportional to 6,287.97, 9,433.32 and 1,905.77 is: 2,859.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.97 : 9,433.32 = 1,905.77 : x
  2. Step 2: Convert to fraction form
    6,287.97/9,433.32 = 1,905.77/x
  3. Step 3: Cross multiply
    6,287.97x = 9,433.32 × 1,905.77
  4. Step 4: Simplify right side
    6,287.97x = 17,977,689.71
  5. Step 5: Solve for x
    x = 17,977,689.71/6,287.97
  6. Step 6: Final answer
    x = 2,859.06

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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.