Home / 8,972.58-12,382.57-4,993.95

Finding the Fourth Proportional to 8,972.58, 12,382.57 and 4,993.95

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Solution

The fourth proportional to 8,972.58, 12,382.57 and 4,993.95 is: 6,891.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.58 : 12,382.57 = 4,993.95 : x
  2. Step 2: Convert to fraction form
    8,972.58/12,382.57 = 4,993.95/x
  3. Step 3: Cross multiply
    8,972.58x = 12,382.57 × 4,993.95
  4. Step 4: Simplify right side
    8,972.58x = 61,837,855.56
  5. Step 5: Solve for x
    x = 61,837,855.56/8,972.58
  6. Step 6: Final answer
    x = 6,891.87

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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.