Home / 5,136.38-7,704.56-1,673.63

Finding the Fourth Proportional to 5,136.38, 7,704.56 and 1,673.63

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Solution

The fourth proportional to 5,136.38, 7,704.56 and 1,673.63 is: 2,510.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.38 : 7,704.56 = 1,673.63 : x
  2. Step 2: Convert to fraction form
    5,136.38/7,704.56 = 1,673.63/x
  3. Step 3: Cross multiply
    5,136.38x = 7,704.56 × 1,673.63
  4. Step 4: Simplify right side
    5,136.38x = 12,894,582.75
  5. Step 5: Solve for x
    x = 12,894,582.75/5,136.38
  6. Step 6: Final answer
    x = 2,510.44

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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.