Home / 6,983.66-9,637.71-3,840.05

Finding the Fourth Proportional to 6,983.66, 9,637.71 and 3,840.05

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Solution

The fourth proportional to 6,983.66, 9,637.71 and 3,840.05 is: 5,299.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983.66 : 9,637.71 = 3,840.05 : x
  2. Step 2: Convert to fraction form
    6,983.66/9,637.71 = 3,840.05/x
  3. Step 3: Cross multiply
    6,983.66x = 9,637.71 × 3,840.05
  4. Step 4: Simplify right side
    6,983.66x = 37,009,288.29
  5. Step 5: Solve for x
    x = 37,009,288.29/6,983.66
  6. Step 6: Final answer
    x = 5,299.41

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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.