Home / 7,833.03-11,750.36-2,639.31

Finding the Fourth Proportional to 7,833.03, 11,750.36 and 2,639.31

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Solution

The fourth proportional to 7,833.03, 11,750.36 and 2,639.31 is: 3,959.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,833.03 : 11,750.36 = 2,639.31 : x
  2. Step 2: Convert to fraction form
    7,833.03/11,750.36 = 2,639.31/x
  3. Step 3: Cross multiply
    7,833.03x = 11,750.36 × 2,639.31
  4. Step 4: Simplify right side
    7,833.03x = 31,012,829.46
  5. Step 5: Solve for x
    x = 31,012,829.46/7,833.03
  6. Step 6: Final answer
    x = 3,959.24

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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.