Home / 5,310.74-7,967.07-2,189.01

Finding the Fourth Proportional to 5,310.74, 7,967.07 and 2,189.01

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Solution

The fourth proportional to 5,310.74, 7,967.07 and 2,189.01 is: 3,283.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.74 : 7,967.07 = 2,189.01 : x
  2. Step 2: Convert to fraction form
    5,310.74/7,967.07 = 2,189.01/x
  3. Step 3: Cross multiply
    5,310.74x = 7,967.07 × 2,189.01
  4. Step 4: Simplify right side
    5,310.74x = 17,440,015.82
  5. Step 5: Solve for x
    x = 17,440,015.82/5,310.74
  6. Step 6: Final answer
    x = 3,283.91

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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.