Home / 8,526.36-12,789.45-2,201.22

Finding the Fourth Proportional to 8,526.36, 12,789.45 and 2,201.22

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Solution

The fourth proportional to 8,526.36, 12,789.45 and 2,201.22 is: 3,301.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.36 : 12,789.45 = 2,201.22 : x
  2. Step 2: Convert to fraction form
    8,526.36/12,789.45 = 2,201.22/x
  3. Step 3: Cross multiply
    8,526.36x = 12,789.45 × 2,201.22
  4. Step 4: Simplify right side
    8,526.36x = 28,152,393.13
  5. Step 5: Solve for x
    x = 28,152,393.13/8,526.36
  6. Step 6: Final answer
    x = 3,301.81

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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.