Home / 4,023-5,553.90-3,136.68

Finding the Fourth Proportional to 4,023, 5,553.90 and 3,136.68

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Solution

The fourth proportional to 4,023, 5,553.90 and 3,136.68 is: 4,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,023 : 5,553.90 = 3,136.68 : x
  2. Step 2: Convert to fraction form
    4,023/5,553.90 = 3,136.68/x
  3. Step 3: Cross multiply
    4,023x = 5,553.90 × 3,136.68
  4. Step 4: Simplify right side
    4,023x = 17,420,807.05
  5. Step 5: Solve for x
    x = 17,420,807.05/4,023
  6. Step 6: Final answer
    x = 4,330.30

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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.