Home / 7,138.13-9,850.01-4,305.96

Finding the Fourth Proportional to 7,138.13, 9,850.01 and 4,305.96

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Solution

The fourth proportional to 7,138.13, 9,850.01 and 4,305.96 is: 5,941.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138.13 : 9,850.01 = 4,305.96 : x
  2. Step 2: Convert to fraction form
    7,138.13/9,850.01 = 4,305.96/x
  3. Step 3: Cross multiply
    7,138.13x = 9,850.01 × 4,305.96
  4. Step 4: Simplify right side
    7,138.13x = 42,413,727.53
  5. Step 5: Solve for x
    x = 42,413,727.53/7,138.13
  6. Step 6: Final answer
    x = 5,941.86

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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.