Home / 6,617.42-9,132.12-3,784.75

Finding the Fourth Proportional to 6,617.42, 9,132.12 and 3,784.75

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Solution

The fourth proportional to 6,617.42, 9,132.12 and 3,784.75 is: 5,223.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.42 : 9,132.12 = 3,784.75 : x
  2. Step 2: Convert to fraction form
    6,617.42/9,132.12 = 3,784.75/x
  3. Step 3: Cross multiply
    6,617.42x = 9,132.12 × 3,784.75
  4. Step 4: Simplify right side
    6,617.42x = 34,562,791.17
  5. Step 5: Solve for x
    x = 34,562,791.17/6,617.42
  6. Step 6: Final answer
    x = 5,223.00

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1.5x scale

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.