Home / 4,191.14-6,285.70-1,228.87

Finding the Fourth Proportional to 4,191.14, 6,285.70 and 1,228.87

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Solution

The fourth proportional to 4,191.14, 6,285.70 and 1,228.87 is: 1,843.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.14 : 6,285.70 = 1,228.87 : x
  2. Step 2: Convert to fraction form
    4,191.14/6,285.70 = 1,228.87/x
  3. Step 3: Cross multiply
    4,191.14x = 6,285.70 × 1,228.87
  4. Step 4: Simplify right side
    4,191.14x = 7,724,317.55
  5. Step 5: Solve for x
    x = 7,724,317.55/4,191.14
  6. Step 6: Final answer
    x = 1,843.01

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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.