Home / 5,297.76-7,311.24-3,060.05

Finding the Fourth Proportional to 5,297.76, 7,311.24 and 3,060.05

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Solution

The fourth proportional to 5,297.76, 7,311.24 and 3,060.05 is: 4,223.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.76 : 7,311.24 = 3,060.05 : x
  2. Step 2: Convert to fraction form
    5,297.76/7,311.24 = 3,060.05/x
  3. Step 3: Cross multiply
    5,297.76x = 7,311.24 × 3,060.05
  4. Step 4: Simplify right side
    5,297.76x = 22,372,723.41
  5. Step 5: Solve for x
    x = 22,372,723.41/5,297.76
  6. Step 6: Final answer
    x = 4,223.05

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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.