Home / 8,283.30-12,424.97-2,439.84

Finding the Fourth Proportional to 8,283.30, 12,424.97 and 2,439.84

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Solution

The fourth proportional to 8,283.30, 12,424.97 and 2,439.84 is: 3,659.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.30 : 12,424.97 = 2,439.84 : x
  2. Step 2: Convert to fraction form
    8,283.30/12,424.97 = 2,439.84/x
  3. Step 3: Cross multiply
    8,283.30x = 12,424.97 × 2,439.84
  4. Step 4: Simplify right side
    8,283.30x = 30,314,926.61
  5. Step 5: Solve for x
    x = 30,314,926.61/8,283.30
  6. Step 6: Final answer
    x = 3,659.76

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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.