Home / 5,270.28-7,905.88-2,150.51

Finding the Fourth Proportional to 5,270.28, 7,905.88 and 2,150.51

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Solution

The fourth proportional to 5,270.28, 7,905.88 and 2,150.51 is: 3,225.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.28 : 7,905.88 = 2,150.51 : x
  2. Step 2: Convert to fraction form
    5,270.28/7,905.88 = 2,150.51/x
  3. Step 3: Cross multiply
    5,270.28x = 7,905.88 × 2,150.51
  4. Step 4: Simplify right side
    5,270.28x = 17,001,623.72
  5. Step 5: Solve for x
    x = 17,001,623.72/5,270.28
  6. Step 6: Final answer
    x = 3,225.94

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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.