Home / 6,744.48-9,307.71-3,911.82

Finding the Fourth Proportional to 6,744.48, 9,307.71 and 3,911.82

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Solution

The fourth proportional to 6,744.48, 9,307.71 and 3,911.82 is: 5,398.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,744.48 : 9,307.71 = 3,911.82 : x
  2. Step 2: Convert to fraction form
    6,744.48/9,307.71 = 3,911.82/x
  3. Step 3: Cross multiply
    6,744.48x = 9,307.71 × 3,911.82
  4. Step 4: Simplify right side
    6,744.48x = 36,410,086.13
  5. Step 5: Solve for x
    x = 36,410,086.13/6,744.48
  6. Step 6: Final answer
    x = 5,398.50

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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.