Home / 4,203.12-6,304.72-1,125.12

Finding the Fourth Proportional to 4,203.12, 6,304.72 and 1,125.12

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Solution

The fourth proportional to 4,203.12, 6,304.72 and 1,125.12 is: 1,687.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,203.12 : 6,304.72 = 1,125.12 : x
  2. Step 2: Convert to fraction form
    4,203.12/6,304.72 = 1,125.12/x
  3. Step 3: Cross multiply
    4,203.12x = 6,304.72 × 1,125.12
  4. Step 4: Simplify right side
    4,203.12x = 7,093,566.57
  5. Step 5: Solve for x
    x = 7,093,566.57/4,203.12
  6. Step 6: Final answer
    x = 1,687.69

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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.