Home / 8,990.50-13,488.42-4,611.04

Finding the Fourth Proportional to 8,990.50, 13,488.42 and 4,611.04

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Solution

The fourth proportional to 8,990.50, 13,488.42 and 4,611.04 is: 6,917.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990.50 : 13,488.42 = 4,611.04 : x
  2. Step 2: Convert to fraction form
    8,990.50/13,488.42 = 4,611.04/x
  3. Step 3: Cross multiply
    8,990.50x = 13,488.42 × 4,611.04
  4. Step 4: Simplify right side
    8,990.50x = 62,195,644.16
  5. Step 5: Solve for x
    x = 62,195,644.16/8,990.50
  6. Step 6: Final answer
    x = 6,917.93

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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.