Home / 6,827-9,421.26-4,034.20

Finding the Fourth Proportional to 6,827, 9,421.26 and 4,034.20

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Solution

The fourth proportional to 6,827, 9,421.26 and 4,034.20 is: 5,567.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,827 : 9,421.26 = 4,034.20 : x
  2. Step 2: Convert to fraction form
    6,827/9,421.26 = 4,034.20/x
  3. Step 3: Cross multiply
    6,827x = 9,421.26 × 4,034.20
  4. Step 4: Simplify right side
    6,827x = 38,007,247.09
  5. Step 5: Solve for x
    x = 38,007,247.09/6,827
  6. Step 6: Final answer
    x = 5,567.20

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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.