Home / 7,927.46-10,947.30-5,099.75

Finding the Fourth Proportional to 7,927.46, 10,947.30 and 5,099.75

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Solution

The fourth proportional to 7,927.46, 10,947.30 and 5,099.75 is: 7,042.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.46 : 10,947.30 = 5,099.75 : x
  2. Step 2: Convert to fraction form
    7,927.46/10,947.30 = 5,099.75/x
  3. Step 3: Cross multiply
    7,927.46x = 10,947.30 × 5,099.75
  4. Step 4: Simplify right side
    7,927.46x = 55,828,438.44
  5. Step 5: Solve for x
    x = 55,828,438.44/7,927.46
  6. Step 6: Final answer
    x = 7,042.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.