Home / 4,178.87-6,270.89-3,789.57

Finding the Fourth Proportional to 4,178.87, 6,270.89 and 3,789.57

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Solution

The fourth proportional to 4,178.87, 6,270.89 and 3,789.57 is: 5,686.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.87 : 6,270.89 = 3,789.57 : x
  2. Step 2: Convert to fraction form
    4,178.87/6,270.89 = 3,789.57/x
  3. Step 3: Cross multiply
    4,178.87x = 6,270.89 × 3,789.57
  4. Step 4: Simplify right side
    4,178.87x = 23,763,957.67
  5. Step 5: Solve for x
    x = 23,763,957.67/4,178.87
  6. Step 6: Final answer
    x = 5,686.70

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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.