Home / 9,142.62-12,616.67-4,950.87

Finding the Fourth Proportional to 9,142.62, 12,616.67 and 4,950.87

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Solution

The fourth proportional to 9,142.62, 12,616.67 and 4,950.87 is: 6,832.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.62 : 12,616.67 = 4,950.87 : x
  2. Step 2: Convert to fraction form
    9,142.62/12,616.67 = 4,950.87/x
  3. Step 3: Cross multiply
    9,142.62x = 12,616.67 × 4,950.87
  4. Step 4: Simplify right side
    9,142.62x = 62,463,468.25
  5. Step 5: Solve for x
    x = 62,463,468.25/9,142.62
  6. Step 6: Final answer
    x = 6,832.12

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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.