Home / 6,162.38-9,240.83-1,778.80

Finding the Fourth Proportional to 6,162.38, 9,240.83 and 1,778.80

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Solution

The fourth proportional to 6,162.38, 9,240.83 and 1,778.80 is: 2,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,162.38 : 9,240.83 = 1,778.80 : x
  2. Step 2: Convert to fraction form
    6,162.38/9,240.83 = 1,778.80/x
  3. Step 3: Cross multiply
    6,162.38x = 9,240.83 × 1,778.80
  4. Step 4: Simplify right side
    6,162.38x = 16,437,533.31
  5. Step 5: Solve for x
    x = 16,437,533.31/6,162.38
  6. Step 6: Final answer
    x = 2,667.40

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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.