Home / 5,298.28-7,948.43-2,135.97

Finding the Fourth Proportional to 5,298.28, 7,948.43 and 2,135.97

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Solution

The fourth proportional to 5,298.28, 7,948.43 and 2,135.97 is: 3,204.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.28 : 7,948.43 = 2,135.97 : x
  2. Step 2: Convert to fraction form
    5,298.28/7,948.43 = 2,135.97/x
  3. Step 3: Cross multiply
    5,298.28x = 7,948.43 × 2,135.97
  4. Step 4: Simplify right side
    5,298.28x = 16,977,605.36
  5. Step 5: Solve for x
    x = 16,977,605.36/5,298.28
  6. Step 6: Final answer
    x = 3,204.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.