Home / 5,490.42-7,576.23-3,722.70

Finding the Fourth Proportional to 5,490.42, 7,576.23 and 3,722.70

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Solution

The fourth proportional to 5,490.42, 7,576.23 and 3,722.70 is: 5,136.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.42 : 7,576.23 = 3,722.70 : x
  2. Step 2: Convert to fraction form
    5,490.42/7,576.23 = 3,722.70/x
  3. Step 3: Cross multiply
    5,490.42x = 7,576.23 × 3,722.70
  4. Step 4: Simplify right side
    5,490.42x = 28,204,031.42
  5. Step 5: Solve for x
    x = 28,204,031.42/5,490.42
  6. Step 6: Final answer
    x = 5,136.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.