Home / 8,491.06-11,722.14-5,134.62

Finding the Fourth Proportional to 8,491.06, 11,722.14 and 5,134.62

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Solution

The fourth proportional to 8,491.06, 11,722.14 and 5,134.62 is: 7,088.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491.06 : 11,722.14 = 5,134.62 : x
  2. Step 2: Convert to fraction form
    8,491.06/11,722.14 = 5,134.62/x
  3. Step 3: Cross multiply
    8,491.06x = 11,722.14 × 5,134.62
  4. Step 4: Simplify right side
    8,491.06x = 60,188,734.49
  5. Step 5: Solve for x
    x = 60,188,734.49/8,491.06
  6. Step 6: Final answer
    x = 7,088.48

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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.