Home / 7,950.40-11,917.79-4,443.37

Finding the Fourth Proportional to 7,950.40, 11,917.79 and 4,443.37

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Solution

The fourth proportional to 7,950.40, 11,917.79 and 4,443.37 is: 6,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.40 : 11,917.79 = 4,443.37 : x
  2. Step 2: Convert to fraction form
    7,950.40/11,917.79 = 4,443.37/x
  3. Step 3: Cross multiply
    7,950.40x = 11,917.79 × 4,443.37
  4. Step 4: Simplify right side
    7,950.40x = 52,955,182.24
  5. Step 5: Solve for x
    x = 52,955,182.24/7,950.40
  6. Step 6: Final answer
    x = 6,660.70

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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.