Home / 8,090.89-12,136.64-2,896.76

Finding the Fourth Proportional to 8,090.89, 12,136.64 and 2,896.76

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Solution

The fourth proportional to 8,090.89, 12,136.64 and 2,896.76 is: 4,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.89 : 12,136.64 = 2,896.76 : x
  2. Step 2: Convert to fraction form
    8,090.89/12,136.64 = 2,896.76/x
  3. Step 3: Cross multiply
    8,090.89x = 12,136.64 × 2,896.76
  4. Step 4: Simplify right side
    8,090.89x = 35,156,949.14
  5. Step 5: Solve for x
    x = 35,156,949.14/8,090.89
  6. Step 6: Final answer
    x = 4,345.25

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1.5x scale

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.