Home / 5,300.19-7,311.42-3,175.11

Finding the Fourth Proportional to 5,300.19, 7,311.42 and 3,175.11

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Solution

The fourth proportional to 5,300.19, 7,311.42 and 3,175.11 is: 4,379.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.19 : 7,311.42 = 3,175.11 : x
  2. Step 2: Convert to fraction form
    5,300.19/7,311.42 = 3,175.11/x
  3. Step 3: Cross multiply
    5,300.19x = 7,311.42 × 3,175.11
  4. Step 4: Simplify right side
    5,300.19x = 23,214,562.76
  5. Step 5: Solve for x
    x = 23,214,562.76/5,300.19
  6. Step 6: Final answer
    x = 4,379.95

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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.