Home / 5,423.82-8,136.27-1,528.26

Finding the Fourth Proportional to 5,423.82, 8,136.27 and 1,528.26

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Solution

The fourth proportional to 5,423.82, 8,136.27 and 1,528.26 is: 2,292.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.82 : 8,136.27 = 1,528.26 : x
  2. Step 2: Convert to fraction form
    5,423.82/8,136.27 = 1,528.26/x
  3. Step 3: Cross multiply
    5,423.82x = 8,136.27 × 1,528.26
  4. Step 4: Simplify right side
    5,423.82x = 12,434,335.99
  5. Step 5: Solve for x
    x = 12,434,335.99/5,423.82
  6. Step 6: Final answer
    x = 2,292.54

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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.