Home / 5,297.76-7,312.25-3,619.85

Finding the Fourth Proportional to 5,297.76, 7,312.25 and 3,619.85

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Solution

The fourth proportional to 5,297.76, 7,312.25 and 3,619.85 is: 4,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.76 : 7,312.25 = 3,619.85 : x
  2. Step 2: Convert to fraction form
    5,297.76/7,312.25 = 3,619.85/x
  3. Step 3: Cross multiply
    5,297.76x = 7,312.25 × 3,619.85
  4. Step 4: Simplify right side
    5,297.76x = 26,469,220.65
  5. Step 5: Solve for x
    x = 26,469,220.65/5,297.76
  6. Step 6: Final answer
    x = 4,996.30

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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.