Home / 7,635.39-10,536.66-4,491.78

Finding the Fourth Proportional to 7,635.39, 10,536.66 and 4,491.78

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Solution

The fourth proportional to 7,635.39, 10,536.66 and 4,491.78 is: 6,198.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,635.39 : 10,536.66 = 4,491.78 : x
  2. Step 2: Convert to fraction form
    7,635.39/10,536.66 = 4,491.78/x
  3. Step 3: Cross multiply
    7,635.39x = 10,536.66 × 4,491.78
  4. Step 4: Simplify right side
    7,635.39x = 47,328,358.65
  5. Step 5: Solve for x
    x = 47,328,358.65/7,635.39
  6. Step 6: Final answer
    x = 6,198.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.