Home / 6,719.49-9,272.19-3,886.41

Finding the Fourth Proportional to 6,719.49, 9,272.19 and 3,886.41

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Solution

The fourth proportional to 6,719.49, 9,272.19 and 3,886.41 is: 5,362.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.49 : 9,272.19 = 3,886.41 : x
  2. Step 2: Convert to fraction form
    6,719.49/9,272.19 = 3,886.41/x
  3. Step 3: Cross multiply
    6,719.49x = 9,272.19 × 3,886.41
  4. Step 4: Simplify right side
    6,719.49x = 36,035,531.94
  5. Step 5: Solve for x
    x = 36,035,531.94/6,719.49
  6. Step 6: Final answer
    x = 5,362.84

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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.