Home / 5,156.45-7,735.08-1,458.62

Finding the Fourth Proportional to 5,156.45, 7,735.08 and 1,458.62

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Solution

The fourth proportional to 5,156.45, 7,735.08 and 1,458.62 is: 2,188.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156.45 : 7,735.08 = 1,458.62 : x
  2. Step 2: Convert to fraction form
    5,156.45/7,735.08 = 1,458.62/x
  3. Step 3: Cross multiply
    5,156.45x = 7,735.08 × 1,458.62
  4. Step 4: Simplify right side
    5,156.45x = 11,282,542.39
  5. Step 5: Solve for x
    x = 11,282,542.39/5,156.45
  6. Step 6: Final answer
    x = 2,188.04

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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.