Home / 8,073.20-11,136.45-5,083.89

Finding the Fourth Proportional to 8,073.20, 11,136.45 and 5,083.89

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Solution

The fourth proportional to 8,073.20, 11,136.45 and 5,083.89 is: 7,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.20 : 11,136.45 = 5,083.89 : x
  2. Step 2: Convert to fraction form
    8,073.20/11,136.45 = 5,083.89/x
  3. Step 3: Cross multiply
    8,073.20x = 11,136.45 × 5,083.89
  4. Step 4: Simplify right side
    8,073.20x = 56,616,486.79
  5. Step 5: Solve for x
    x = 56,616,486.79/8,073.20
  6. Step 6: Final answer
    x = 7,012.90

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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.