Home / 5,434.79-8,136.68-3,580.23

Finding the Fourth Proportional to 5,434.79, 8,136.68 and 3,580.23

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Solution

The fourth proportional to 5,434.79, 8,136.68 and 3,580.23 is: 5,360.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.79 : 8,136.68 = 3,580.23 : x
  2. Step 2: Convert to fraction form
    5,434.79/8,136.68 = 3,580.23/x
  3. Step 3: Cross multiply
    5,434.79x = 8,136.68 × 3,580.23
  4. Step 4: Simplify right side
    5,434.79x = 29,131,167.94
  5. Step 5: Solve for x
    x = 29,131,167.94/5,434.79
  6. Step 6: Final answer
    x = 5,360.13

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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.