Home / 6,186.78-9,279.50-2,237.90

Finding the Fourth Proportional to 6,186.78, 9,279.50 and 2,237.90

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Solution

The fourth proportional to 6,186.78, 9,279.50 and 2,237.90 is: 3,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,186.78 : 9,279.50 = 2,237.90 : x
  2. Step 2: Convert to fraction form
    6,186.78/9,279.50 = 2,237.90/x
  3. Step 3: Cross multiply
    6,186.78x = 9,279.50 × 2,237.90
  4. Step 4: Simplify right side
    6,186.78x = 20,766,535.46
  5. Step 5: Solve for x
    x = 20,766,535.46/6,186.78
  6. Step 6: Final answer
    x = 3,356.60

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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.