Home / 4,297.78-6,446.67-1,177.80

Finding the Fourth Proportional to 4,297.78, 6,446.67 and 1,177.80

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Solution

The fourth proportional to 4,297.78, 6,446.67 and 1,177.80 is: 1,766.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,297.78 : 6,446.67 = 1,177.80 : x
  2. Step 2: Convert to fraction form
    4,297.78/6,446.67 = 1,177.80/x
  3. Step 3: Cross multiply
    4,297.78x = 6,446.67 × 1,177.80
  4. Step 4: Simplify right side
    4,297.78x = 7,592,887.93
  5. Step 5: Solve for x
    x = 7,592,887.93/4,297.78
  6. Step 6: Final answer
    x = 1,766.70

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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.