Home / 5,270.70-7,898.45-4,015.90

Finding the Fourth Proportional to 5,270.70, 7,898.45 and 4,015.90

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Solution

The fourth proportional to 5,270.70, 7,898.45 and 4,015.90 is: 6,018.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.70 : 7,898.45 = 4,015.90 : x
  2. Step 2: Convert to fraction form
    5,270.70/7,898.45 = 4,015.90/x
  3. Step 3: Cross multiply
    5,270.70x = 7,898.45 × 4,015.90
  4. Step 4: Simplify right side
    5,270.70x = 31,719,365.28
  5. Step 5: Solve for x
    x = 31,719,365.28/5,270.70
  6. Step 6: Final answer
    x = 6,018.06

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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.