Home / 8,090.79-12,136.95-2,247.45

Finding the Fourth Proportional to 8,090.79, 12,136.95 and 2,247.45

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Solution

The fourth proportional to 8,090.79, 12,136.95 and 2,247.45 is: 3,371.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.79 : 12,136.95 = 2,247.45 : x
  2. Step 2: Convert to fraction form
    8,090.79/12,136.95 = 2,247.45/x
  3. Step 3: Cross multiply
    8,090.79x = 12,136.95 × 2,247.45
  4. Step 4: Simplify right side
    8,090.79x = 27,277,188.28
  5. Step 5: Solve for x
    x = 27,277,188.28/8,090.79
  6. Step 6: Final answer
    x = 3,371.39

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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.