Home / 7,664.06-11,491.83-2,981.18

Finding the Fourth Proportional to 7,664.06, 11,491.83 and 2,981.18

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Solution

The fourth proportional to 7,664.06, 11,491.83 and 2,981.18 is: 4,470.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.06 : 11,491.83 = 2,981.18 : x
  2. Step 2: Convert to fraction form
    7,664.06/11,491.83 = 2,981.18/x
  3. Step 3: Cross multiply
    7,664.06x = 11,491.83 × 2,981.18
  4. Step 4: Simplify right side
    7,664.06x = 34,259,213.76
  5. Step 5: Solve for x
    x = 34,259,213.76/7,664.06
  6. Step 6: Final answer
    x = 4,470.11

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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.