Home / 7,752.39-11,628.63-1,908.96

Finding the Fourth Proportional to 7,752.39, 11,628.63 and 1,908.96

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Solution

The fourth proportional to 7,752.39, 11,628.63 and 1,908.96 is: 2,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.39 : 11,628.63 = 1,908.96 : x
  2. Step 2: Convert to fraction form
    7,752.39/11,628.63 = 1,908.96/x
  3. Step 3: Cross multiply
    7,752.39x = 11,628.63 × 1,908.96
  4. Step 4: Simplify right side
    7,752.39x = 22,198,589.52
  5. Step 5: Solve for x
    x = 22,198,589.52/7,752.39
  6. Step 6: Final answer
    x = 2,863.45

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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.