Home / 5,136.30-7,698.96-3,488.76

Finding the Fourth Proportional to 5,136.30, 7,698.96 and 3,488.76

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Solution

The fourth proportional to 5,136.30, 7,698.96 and 3,488.76 is: 5,229.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.30 : 7,698.96 = 3,488.76 : x
  2. Step 2: Convert to fraction form
    5,136.30/7,698.96 = 3,488.76/x
  3. Step 3: Cross multiply
    5,136.30x = 7,698.96 × 3,488.76
  4. Step 4: Simplify right side
    5,136.30x = 26,859,823.69
  5. Step 5: Solve for x
    x = 26,859,823.69/5,136.30
  6. Step 6: Final answer
    x = 5,229.41

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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.