Home / 8,970.94-13,451.25-2,729.08

Finding the Fourth Proportional to 8,970.94, 13,451.25 and 2,729.08

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Solution

The fourth proportional to 8,970.94, 13,451.25 and 2,729.08 is: 4,092.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.94 : 13,451.25 = 2,729.08 : x
  2. Step 2: Convert to fraction form
    8,970.94/13,451.25 = 2,729.08/x
  3. Step 3: Cross multiply
    8,970.94x = 13,451.25 × 2,729.08
  4. Step 4: Simplify right side
    8,970.94x = 36,709,537.35
  5. Step 5: Solve for x
    x = 36,709,537.35/8,970.94
  6. Step 6: Final answer
    x = 4,092.05

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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.