Home / 8,912.28-12,299.40-4,933.83

Finding the Fourth Proportional to 8,912.28, 12,299.40 and 4,933.83

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Solution

The fourth proportional to 8,912.28, 12,299.40 and 4,933.83 is: 6,808.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912.28 : 12,299.40 = 4,933.83 : x
  2. Step 2: Convert to fraction form
    8,912.28/12,299.40 = 4,933.83/x
  3. Step 3: Cross multiply
    8,912.28x = 12,299.40 × 4,933.83
  4. Step 4: Simplify right side
    8,912.28x = 60,683,148.70
  5. Step 5: Solve for x
    x = 60,683,148.70/8,912.28
  6. Step 6: Final answer
    x = 6,808.94

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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.