Home / 8,124.95-12,187.42-2,930.82

Finding the Fourth Proportional to 8,124.95, 12,187.42 and 2,930.82

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Solution

The fourth proportional to 8,124.95, 12,187.42 and 2,930.82 is: 4,396.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.95 : 12,187.42 = 2,930.82 : x
  2. Step 2: Convert to fraction form
    8,124.95/12,187.42 = 2,930.82/x
  3. Step 3: Cross multiply
    8,124.95x = 12,187.42 × 2,930.82
  4. Step 4: Simplify right side
    8,124.95x = 35,719,134.28
  5. Step 5: Solve for x
    x = 35,719,134.28/8,124.95
  6. Step 6: Final answer
    x = 4,396.23

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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.