Home / 6,239.20-9,358.80-2,958.70

Finding the Fourth Proportional to 6,239.20, 9,358.80 and 2,958.70

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Solution

The fourth proportional to 6,239.20, 9,358.80 and 2,958.70 is: 4,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.20 : 9,358.80 = 2,958.70 : x
  2. Step 2: Convert to fraction form
    6,239.20/9,358.80 = 2,958.70/x
  3. Step 3: Cross multiply
    6,239.20x = 9,358.80 × 2,958.70
  4. Step 4: Simplify right side
    6,239.20x = 27,689,881.56
  5. Step 5: Solve for x
    x = 27,689,881.56/6,239.20
  6. Step 6: Final answer
    x = 4,438.05

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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.