Home / 6,759.20-9,328.20-3,927.36

Finding the Fourth Proportional to 6,759.20, 9,328.20 and 3,927.36

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Solution

The fourth proportional to 6,759.20, 9,328.20 and 3,927.36 is: 5,420.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,759.20 : 9,328.20 = 3,927.36 : x
  2. Step 2: Convert to fraction form
    6,759.20/9,328.20 = 3,927.36/x
  3. Step 3: Cross multiply
    6,759.20x = 9,328.20 × 3,927.36
  4. Step 4: Simplify right side
    6,759.20x = 36,635,199.55
  5. Step 5: Solve for x
    x = 36,635,199.55/6,759.20
  6. Step 6: Final answer
    x = 5,420.05

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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.