Home / 4,251.84-6,378.24-1,131.97

Finding the Fourth Proportional to 4,251.84, 6,378.24 and 1,131.97

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Solution

The fourth proportional to 4,251.84, 6,378.24 and 1,131.97 is: 1,698.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.84 : 6,378.24 = 1,131.97 : x
  2. Step 2: Convert to fraction form
    4,251.84/6,378.24 = 1,131.97/x
  3. Step 3: Cross multiply
    4,251.84x = 6,378.24 × 1,131.97
  4. Step 4: Simplify right side
    4,251.84x = 7,219,988.55
  5. Step 5: Solve for x
    x = 7,219,988.55/4,251.84
  6. Step 6: Final answer
    x = 1,698.08

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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.