Home / 6,195.80-9,279.30-4,237.40

Finding the Fourth Proportional to 6,195.80, 9,279.30 and 4,237.40

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Solution

The fourth proportional to 6,195.80, 9,279.30 and 4,237.40 is: 6,346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,195.80 : 9,279.30 = 4,237.40 : x
  2. Step 2: Convert to fraction form
    6,195.80/9,279.30 = 4,237.40/x
  3. Step 3: Cross multiply
    6,195.80x = 9,279.30 × 4,237.40
  4. Step 4: Simplify right side
    6,195.80x = 39,320,105.82
  5. Step 5: Solve for x
    x = 39,320,105.82/6,195.80
  6. Step 6: Final answer
    x = 6,346.25

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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.