Home / 8,137.51-12,198.16-5,672.95

Finding the Fourth Proportional to 8,137.51, 12,198.16 and 5,672.95

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Solution

The fourth proportional to 8,137.51, 12,198.16 and 5,672.95 is: 8,503.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137.51 : 12,198.16 = 5,672.95 : x
  2. Step 2: Convert to fraction form
    8,137.51/12,198.16 = 5,672.95/x
  3. Step 3: Cross multiply
    8,137.51x = 12,198.16 × 5,672.95
  4. Step 4: Simplify right side
    8,137.51x = 69,199,551.77
  5. Step 5: Solve for x
    x = 69,199,551.77/8,137.51
  6. Step 6: Final answer
    x = 8,503.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.