Home / 5,116.48-7,689.52-3,396.08

Finding the Fourth Proportional to 5,116.48, 7,689.52 and 3,396.08

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Solution

The fourth proportional to 5,116.48, 7,689.52 and 3,396.08 is: 5,103.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.48 : 7,689.52 = 3,396.08 : x
  2. Step 2: Convert to fraction form
    5,116.48/7,689.52 = 3,396.08/x
  3. Step 3: Cross multiply
    5,116.48x = 7,689.52 × 3,396.08
  4. Step 4: Simplify right side
    5,116.48x = 26,114,225.08
  5. Step 5: Solve for x
    x = 26,114,225.08/5,116.48
  6. Step 6: Final answer
    x = 5,103.94

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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.