Home / 8,784.38-13,175.06-2,940.98

Finding the Fourth Proportional to 8,784.38, 13,175.06 and 2,940.98

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Solution

The fourth proportional to 8,784.38, 13,175.06 and 2,940.98 is: 4,410.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.38 : 13,175.06 = 2,940.98 : x
  2. Step 2: Convert to fraction form
    8,784.38/13,175.06 = 2,940.98/x
  3. Step 3: Cross multiply
    8,784.38x = 13,175.06 × 2,940.98
  4. Step 4: Simplify right side
    8,784.38x = 38,747,507.38
  5. Step 5: Solve for x
    x = 38,747,507.38/8,784.38
  6. Step 6: Final answer
    x = 4,410.95

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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.