Home / 4,202.30-6,304.40-1,280.83

Finding the Fourth Proportional to 4,202.30, 6,304.40 and 1,280.83

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Solution

The fourth proportional to 4,202.30, 6,304.40 and 1,280.83 is: 1,921.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,202.30 : 6,304.40 = 1,280.83 : x
  2. Step 2: Convert to fraction form
    4,202.30/6,304.40 = 1,280.83/x
  3. Step 3: Cross multiply
    4,202.30x = 6,304.40 × 1,280.83
  4. Step 4: Simplify right side
    4,202.30x = 8,074,864.65
  5. Step 5: Solve for x
    x = 8,074,864.65/4,202.30
  6. Step 6: Final answer
    x = 1,921.53

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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.