Home / 4,202.28-6,303.78-1,429.74

Finding the Fourth Proportional to 4,202.28, 6,303.78 and 1,429.74

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Solution

The fourth proportional to 4,202.28, 6,303.78 and 1,429.74 is: 2,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,202.28 : 6,303.78 = 1,429.74 : x
  2. Step 2: Convert to fraction form
    4,202.28/6,303.78 = 1,429.74/x
  3. Step 3: Cross multiply
    4,202.28x = 6,303.78 × 1,429.74
  4. Step 4: Simplify right side
    4,202.28x = 9,012,766.42
  5. Step 5: Solve for x
    x = 9,012,766.42/4,202.28
  6. Step 6: Final answer
    x = 2,144.73

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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.