Home / 8,736.88-13,099.56-2,894.80

Finding the Fourth Proportional to 8,736.88, 13,099.56 and 2,894.80

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Solution

The fourth proportional to 8,736.88, 13,099.56 and 2,894.80 is: 4,340.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.88 : 13,099.56 = 2,894.80 : x
  2. Step 2: Convert to fraction form
    8,736.88/13,099.56 = 2,894.80/x
  3. Step 3: Cross multiply
    8,736.88x = 13,099.56 × 2,894.80
  4. Step 4: Simplify right side
    8,736.88x = 37,920,606.29
  5. Step 5: Solve for x
    x = 37,920,606.29/8,736.88
  6. Step 6: Final answer
    x = 4,340.29

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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.