Home / 6,617.08-9,132.31-3,784.81

Finding the Fourth Proportional to 6,617.08, 9,132.31 and 3,784.81

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Solution

The fourth proportional to 6,617.08, 9,132.31 and 3,784.81 is: 5,223.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.08 : 9,132.31 = 3,784.81 : x
  2. Step 2: Convert to fraction form
    6,617.08/9,132.31 = 3,784.81/x
  3. Step 3: Cross multiply
    6,617.08x = 9,132.31 × 3,784.81
  4. Step 4: Simplify right side
    6,617.08x = 34,564,058.21
  5. Step 5: Solve for x
    x = 34,564,058.21/6,617.08
  6. Step 6: Final answer
    x = 5,223.46

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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.