Home / 5,407.00-8,111.34-2,287.03

Finding the Fourth Proportional to 5,407.00, 8,111.34 and 2,287.03

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Solution

The fourth proportional to 5,407.00, 8,111.34 and 2,287.03 is: 3,430.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.00 : 8,111.34 = 2,287.03 : x
  2. Step 2: Convert to fraction form
    5,407.00/8,111.34 = 2,287.03/x
  3. Step 3: Cross multiply
    5,407.00x = 8,111.34 × 2,287.03
  4. Step 4: Simplify right side
    5,407.00x = 18,550,850.04
  5. Step 5: Solve for x
    x = 18,550,850.04/5,407.00
  6. Step 6: Final answer
    x = 3,430.89

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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.