Home / 6,643.11-9,968.75-2,747.50

Finding the Fourth Proportional to 6,643.11, 9,968.75 and 2,747.50

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Solution

The fourth proportional to 6,643.11, 9,968.75 and 2,747.50 is: 4,122.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643.11 : 9,968.75 = 2,747.50 : x
  2. Step 2: Convert to fraction form
    6,643.11/9,968.75 = 2,747.50/x
  3. Step 3: Cross multiply
    6,643.11x = 9,968.75 × 2,747.50
  4. Step 4: Simplify right side
    6,643.11x = 27,389,140.63
  5. Step 5: Solve for x
    x = 27,389,140.63/6,643.11
  6. Step 6: Final answer
    x = 4,122.94

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1.5x scale

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.