Home / 7,094.40-9,789.12-3,950

Finding the Fourth Proportional to 7,094.40, 9,789.12 and 3,950

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Solution

The fourth proportional to 7,094.40, 9,789.12 and 3,950 is: 5,450.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,094.40 : 9,789.12 = 3,950 : x
  2. Step 2: Convert to fraction form
    7,094.40/9,789.12 = 3,950/x
  3. Step 3: Cross multiply
    7,094.40x = 9,789.12 × 3,950
  4. Step 4: Simplify right side
    7,094.40x = 38,667,024
  5. Step 5: Solve for x
    x = 38,667,024/7,094.40
  6. Step 6: Final answer
    x = 5,450.36

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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.