Home / 7,752.11-11,628.18-1,908.72

Finding the Fourth Proportional to 7,752.11, 11,628.18 and 1,908.72

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Solution

The fourth proportional to 7,752.11, 11,628.18 and 1,908.72 is: 2,863.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.11 : 11,628.18 = 1,908.72 : x
  2. Step 2: Convert to fraction form
    7,752.11/11,628.18 = 1,908.72/x
  3. Step 3: Cross multiply
    7,752.11x = 11,628.18 × 1,908.72
  4. Step 4: Simplify right side
    7,752.11x = 22,194,930.19
  5. Step 5: Solve for x
    x = 22,194,930.19/7,752.11
  6. Step 6: Final answer
    x = 2,863.08

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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.