Home / 8,669.88-13,003.47-2,826.45

Finding the Fourth Proportional to 8,669.88, 13,003.47 and 2,826.45

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Solution

The fourth proportional to 8,669.88, 13,003.47 and 2,826.45 is: 4,239.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.88 : 13,003.47 = 2,826.45 : x
  2. Step 2: Convert to fraction form
    8,669.88/13,003.47 = 2,826.45/x
  3. Step 3: Cross multiply
    8,669.88x = 13,003.47 × 2,826.45
  4. Step 4: Simplify right side
    8,669.88x = 36,753,657.78
  5. Step 5: Solve for x
    x = 36,753,657.78/8,669.88
  6. Step 6: Final answer
    x = 4,239.23

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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.