Home / 8,750.31-13,124.66-3,203.43

Finding the Fourth Proportional to 8,750.31, 13,124.66 and 3,203.43

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Solution

The fourth proportional to 8,750.31, 13,124.66 and 3,203.43 is: 4,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.31 : 13,124.66 = 3,203.43 : x
  2. Step 2: Convert to fraction form
    8,750.31/13,124.66 = 3,203.43/x
  3. Step 3: Cross multiply
    8,750.31x = 13,124.66 × 3,203.43
  4. Step 4: Simplify right side
    8,750.31x = 42,043,913.57
  5. Step 5: Solve for x
    x = 42,043,913.57/8,750.31
  6. Step 6: Final answer
    x = 4,804.85

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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.