Home / 7,816.46-11,718.83-2,885.18

Finding the Fourth Proportional to 7,816.46, 11,718.83 and 2,885.18

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Solution

The fourth proportional to 7,816.46, 11,718.83 and 2,885.18 is: 4,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.46 : 11,718.83 = 2,885.18 : x
  2. Step 2: Convert to fraction form
    7,816.46/11,718.83 = 2,885.18/x
  3. Step 3: Cross multiply
    7,816.46x = 11,718.83 × 2,885.18
  4. Step 4: Simplify right side
    7,816.46x = 33,810,882.56
  5. Step 5: Solve for x
    x = 33,810,882.56/7,816.46
  6. Step 6: Final answer
    x = 4,325.60

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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.