Home / 4,202.85-6,303.49-1,240.68

Finding the Fourth Proportional to 4,202.85, 6,303.49 and 1,240.68

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Solution

The fourth proportional to 4,202.85, 6,303.49 and 1,240.68 is: 1,860.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,202.85 : 6,303.49 = 1,240.68 : x
  2. Step 2: Convert to fraction form
    4,202.85/6,303.49 = 1,240.68/x
  3. Step 3: Cross multiply
    4,202.85x = 6,303.49 × 1,240.68
  4. Step 4: Simplify right side
    4,202.85x = 7,820,613.97
  5. Step 5: Solve for x
    x = 7,820,613.97/4,202.85
  6. Step 6: Final answer
    x = 1,860.79

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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.