Home / 8,136.96-11,208.93-6,938.04

Finding the Fourth Proportional to 8,136.96, 11,208.93 and 6,938.04

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Solution

The fourth proportional to 8,136.96, 11,208.93 and 6,938.04 is: 9,557.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.96 : 11,208.93 = 6,938.04 : x
  2. Step 2: Convert to fraction form
    8,136.96/11,208.93 = 6,938.04/x
  3. Step 3: Cross multiply
    8,136.96x = 11,208.93 × 6,938.04
  4. Step 4: Simplify right side
    8,136.96x = 77,768,046.73
  5. Step 5: Solve for x
    x = 77,768,046.73/8,136.96
  6. Step 6: Final answer
    x = 9,557.38

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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.