Home / 7,491.76-11,236.59-4,115.61

Finding the Fourth Proportional to 7,491.76, 11,236.59 and 4,115.61

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Solution

The fourth proportional to 7,491.76, 11,236.59 and 4,115.61 is: 6,172.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.76 : 11,236.59 = 4,115.61 : x
  2. Step 2: Convert to fraction form
    7,491.76/11,236.59 = 4,115.61/x
  3. Step 3: Cross multiply
    7,491.76x = 11,236.59 × 4,115.61
  4. Step 4: Simplify right side
    7,491.76x = 46,245,422.17
  5. Step 5: Solve for x
    x = 46,245,422.17/7,491.76
  6. Step 6: Final answer
    x = 6,172.84

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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.