Home / 5,423.92-8,136.17-1,528.63

Finding the Fourth Proportional to 5,423.92, 8,136.17 and 1,528.63

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Solution

The fourth proportional to 5,423.92, 8,136.17 and 1,528.63 is: 2,293.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.92 : 8,136.17 = 1,528.63 : x
  2. Step 2: Convert to fraction form
    5,423.92/8,136.17 = 1,528.63/x
  3. Step 3: Cross multiply
    5,423.92x = 8,136.17 × 1,528.63
  4. Step 4: Simplify right side
    5,423.92x = 12,437,193.55
  5. Step 5: Solve for x
    x = 12,437,193.55/5,423.92
  6. Step 6: Final answer
    x = 2,293.03

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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.