Home / 7,816.20-11,717.19-2,882.40

Finding the Fourth Proportional to 7,816.20, 11,717.19 and 2,882.40

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Solution

The fourth proportional to 7,816.20, 11,717.19 and 2,882.40 is: 4,320.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.20 : 11,717.19 = 2,882.40 : x
  2. Step 2: Convert to fraction form
    7,816.20/11,717.19 = 2,882.40/x
  3. Step 3: Cross multiply
    7,816.20x = 11,717.19 × 2,882.40
  4. Step 4: Simplify right side
    7,816.20x = 33,773,628.46
  5. Step 5: Solve for x
    x = 33,773,628.46/7,816.20
  6. Step 6: Final answer
    x = 4,320.98

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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.