Home / 5,425.26-8,136.96-1,528.75

Finding the Fourth Proportional to 5,425.26, 8,136.96 and 1,528.75

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Solution

The fourth proportional to 5,425.26, 8,136.96 and 1,528.75 is: 2,292.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.26 : 8,136.96 = 1,528.75 : x
  2. Step 2: Convert to fraction form
    5,425.26/8,136.96 = 1,528.75/x
  3. Step 3: Cross multiply
    5,425.26x = 8,136.96 × 1,528.75
  4. Step 4: Simplify right side
    5,425.26x = 12,439,377.60
  5. Step 5: Solve for x
    x = 12,439,377.60/5,425.26
  6. Step 6: Final answer
    x = 2,292.86

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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.