Home / 8,136.26-12,205.48-2,870.04

Finding the Fourth Proportional to 8,136.26, 12,205.48 and 2,870.04

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Solution

The fourth proportional to 8,136.26, 12,205.48 and 2,870.04 is: 4,305.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.26 : 12,205.48 = 2,870.04 : x
  2. Step 2: Convert to fraction form
    8,136.26/12,205.48 = 2,870.04/x
  3. Step 3: Cross multiply
    8,136.26x = 12,205.48 × 2,870.04
  4. Step 4: Simplify right side
    8,136.26x = 35,030,154.79
  5. Step 5: Solve for x
    x = 35,030,154.79/8,136.26
  6. Step 6: Final answer
    x = 4,305.44

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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.