Home / 5,292.18-7,938.90-1,396.62

Finding the Fourth Proportional to 5,292.18, 7,938.90 and 1,396.62

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Solution

The fourth proportional to 5,292.18, 7,938.90 and 1,396.62 is: 2,095.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.18 : 7,938.90 = 1,396.62 : x
  2. Step 2: Convert to fraction form
    5,292.18/7,938.90 = 1,396.62/x
  3. Step 3: Cross multiply
    5,292.18x = 7,938.90 × 1,396.62
  4. Step 4: Simplify right side
    5,292.18x = 11,087,626.52
  5. Step 5: Solve for x
    x = 11,087,626.52/5,292.18
  6. Step 6: Final answer
    x = 2,095.10

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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.