Home / 9,142.30-12,616.38-4,950.54

Finding the Fourth Proportional to 9,142.30, 12,616.38 and 4,950.54

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Solution

The fourth proportional to 9,142.30, 12,616.38 and 4,950.54 is: 6,831.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.30 : 12,616.38 = 4,950.54 : x
  2. Step 2: Convert to fraction form
    9,142.30/12,616.38 = 4,950.54/x
  3. Step 3: Cross multiply
    9,142.30x = 12,616.38 × 4,950.54
  4. Step 4: Simplify right side
    9,142.30x = 62,457,893.85
  5. Step 5: Solve for x
    x = 62,457,893.85/9,142.30
  6. Step 6: Final answer
    x = 6,831.75

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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.