Home / 6,824.19-9,417.27-3,840.02

Finding the Fourth Proportional to 6,824.19, 9,417.27 and 3,840.02

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Solution

The fourth proportional to 6,824.19, 9,417.27 and 3,840.02 is: 5,299.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,824.19 : 9,417.27 = 3,840.02 : x
  2. Step 2: Convert to fraction form
    6,824.19/9,417.27 = 3,840.02/x
  3. Step 3: Cross multiply
    6,824.19x = 9,417.27 × 3,840.02
  4. Step 4: Simplify right side
    6,824.19x = 36,162,505.15
  5. Step 5: Solve for x
    x = 36,162,505.15/6,824.19
  6. Step 6: Final answer
    x = 5,299.16

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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.