Home / 7,950.70-11,927.34-2,685.20

Finding the Fourth Proportional to 7,950.70, 11,927.34 and 2,685.20

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Solution

The fourth proportional to 7,950.70, 11,927.34 and 2,685.20 is: 4,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.70 : 11,927.34 = 2,685.20 : x
  2. Step 2: Convert to fraction form
    7,950.70/11,927.34 = 2,685.20/x
  3. Step 3: Cross multiply
    7,950.70x = 11,927.34 × 2,685.20
  4. Step 4: Simplify right side
    7,950.70x = 32,027,293.37
  5. Step 5: Solve for x
    x = 32,027,293.37/7,950.70
  6. Step 6: Final answer
    x = 4,028.24

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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.