Home / 6,764.31-9,334.80-3,780.18

Finding the Fourth Proportional to 6,764.31, 9,334.80 and 3,780.18

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Solution

The fourth proportional to 6,764.31, 9,334.80 and 3,780.18 is: 5,216.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.31 : 9,334.80 = 3,780.18 : x
  2. Step 2: Convert to fraction form
    6,764.31/9,334.80 = 3,780.18/x
  3. Step 3: Cross multiply
    6,764.31x = 9,334.80 × 3,780.18
  4. Step 4: Simplify right side
    6,764.31x = 35,287,224.26
  5. Step 5: Solve for x
    x = 35,287,224.26/6,764.31
  6. Step 6: Final answer
    x = 5,216.68

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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.