Home / 8,506.50-12,759.75-3,316.02

Finding the Fourth Proportional to 8,506.50, 12,759.75 and 3,316.02

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Solution

The fourth proportional to 8,506.50, 12,759.75 and 3,316.02 is: 4,974.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.50 : 12,759.75 = 3,316.02 : x
  2. Step 2: Convert to fraction form
    8,506.50/12,759.75 = 3,316.02/x
  3. Step 3: Cross multiply
    8,506.50x = 12,759.75 × 3,316.02
  4. Step 4: Simplify right side
    8,506.50x = 42,311,586.20
  5. Step 5: Solve for x
    x = 42,311,586.20/8,506.50
  6. Step 6: Final answer
    x = 4,974.03

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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.