Home / 5,423.58-8,136.72-2,503.92

Finding the Fourth Proportional to 5,423.58, 8,136.72 and 2,503.92

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Solution

The fourth proportional to 5,423.58, 8,136.72 and 2,503.92 is: 3,756.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.58 : 8,136.72 = 2,503.92 : x
  2. Step 2: Convert to fraction form
    5,423.58/8,136.72 = 2,503.92/x
  3. Step 3: Cross multiply
    5,423.58x = 8,136.72 × 2,503.92
  4. Step 4: Simplify right side
    5,423.58x = 20,373,695.94
  5. Step 5: Solve for x
    x = 20,373,695.94/5,423.58
  6. Step 6: Final answer
    x = 3,756.50

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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.