Home / 7,928.70-11,886.33-2,995.62

Finding the Fourth Proportional to 7,928.70, 11,886.33 and 2,995.62

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Solution

The fourth proportional to 7,928.70, 11,886.33 and 2,995.62 is: 4,490.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.70 : 11,886.33 = 2,995.62 : x
  2. Step 2: Convert to fraction form
    7,928.70/11,886.33 = 2,995.62/x
  3. Step 3: Cross multiply
    7,928.70x = 11,886.33 × 2,995.62
  4. Step 4: Simplify right side
    7,928.70x = 35,606,927.87
  5. Step 5: Solve for x
    x = 35,606,927.87/7,928.70
  6. Step 6: Final answer
    x = 4,490.89

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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.