Home / 8,912.84-13,359.12-4,521.02

Finding the Fourth Proportional to 8,912.84, 13,359.12 and 4,521.02

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Solution

The fourth proportional to 8,912.84, 13,359.12 and 4,521.02 is: 6,776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912.84 : 13,359.12 = 4,521.02 : x
  2. Step 2: Convert to fraction form
    8,912.84/13,359.12 = 4,521.02/x
  3. Step 3: Cross multiply
    8,912.84x = 13,359.12 × 4,521.02
  4. Step 4: Simplify right side
    8,912.84x = 60,396,848.70
  5. Step 5: Solve for x
    x = 60,396,848.70/8,912.84
  6. Step 6: Final answer
    x = 6,776.39

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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.