Home / 8,959.41-13,439.25-3,116.22

Finding the Fourth Proportional to 8,959.41, 13,439.25 and 3,116.22

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Solution

The fourth proportional to 8,959.41, 13,439.25 and 3,116.22 is: 4,674.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959.41 : 13,439.25 = 3,116.22 : x
  2. Step 2: Convert to fraction form
    8,959.41/13,439.25 = 3,116.22/x
  3. Step 3: Cross multiply
    8,959.41x = 13,439.25 × 3,116.22
  4. Step 4: Simplify right side
    8,959.41x = 41,879,659.64
  5. Step 5: Solve for x
    x = 41,879,659.64/8,959.41
  6. Step 6: Final answer
    x = 4,674.38

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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.