Home / 5,286.30-7,294.77-3,017.90

Finding the Fourth Proportional to 5,286.30, 7,294.77 and 3,017.90

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Solution

The fourth proportional to 5,286.30, 7,294.77 and 3,017.90 is: 4,164.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.30 : 7,294.77 = 3,017.90 : x
  2. Step 2: Convert to fraction form
    5,286.30/7,294.77 = 3,017.90/x
  3. Step 3: Cross multiply
    5,286.30x = 7,294.77 × 3,017.90
  4. Step 4: Simplify right side
    5,286.30x = 22,014,889.91
  5. Step 5: Solve for x
    x = 22,014,889.91/5,286.30
  6. Step 6: Final answer
    x = 4,164.52

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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.