Home / 5,434.34-8,154.22-2,149.80

Finding the Fourth Proportional to 5,434.34, 8,154.22 and 2,149.80

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Solution

The fourth proportional to 5,434.34, 8,154.22 and 2,149.80 is: 3,225.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.34 : 8,154.22 = 2,149.80 : x
  2. Step 2: Convert to fraction form
    5,434.34/8,154.22 = 2,149.80/x
  3. Step 3: Cross multiply
    5,434.34x = 8,154.22 × 2,149.80
  4. Step 4: Simplify right side
    5,434.34x = 17,529,942.16
  5. Step 5: Solve for x
    x = 17,529,942.16/5,434.34
  6. Step 6: Final answer
    x = 3,225.77

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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.