Home / 7,833.94-11,750.92-2,639.81

Finding the Fourth Proportional to 7,833.94, 11,750.92 and 2,639.81

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Solution

The fourth proportional to 7,833.94, 11,750.92 and 2,639.81 is: 3,959.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,833.94 : 11,750.92 = 2,639.81 : x
  2. Step 2: Convert to fraction form
    7,833.94/11,750.92 = 2,639.81/x
  3. Step 3: Cross multiply
    7,833.94x = 11,750.92 × 2,639.81
  4. Step 4: Simplify right side
    7,833.94x = 31,020,218.90
  5. Step 5: Solve for x
    x = 31,020,218.90/7,833.94
  6. Step 6: Final answer
    x = 3,959.72

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1.5x scale

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.