Home / 8,650.87-11,935.73-4,872.71

Finding the Fourth Proportional to 8,650.87, 11,935.73 and 4,872.71

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Solution

The fourth proportional to 8,650.87, 11,935.73 and 4,872.71 is: 6,722.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.87 : 11,935.73 = 4,872.71 : x
  2. Step 2: Convert to fraction form
    8,650.87/11,935.73 = 4,872.71/x
  3. Step 3: Cross multiply
    8,650.87x = 11,935.73 × 4,872.71
  4. Step 4: Simplify right side
    8,650.87x = 58,159,326.56
  5. Step 5: Solve for x
    x = 58,159,326.56/8,650.87
  6. Step 6: Final answer
    x = 6,722.95

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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.