Home / 8,955.44-13,438.56-3,116.15

Finding the Fourth Proportional to 8,955.44, 13,438.56 and 3,116.15

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Solution

The fourth proportional to 8,955.44, 13,438.56 and 3,116.15 is: 4,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.44 : 13,438.56 = 3,116.15 : x
  2. Step 2: Convert to fraction form
    8,955.44/13,438.56 = 3,116.15/x
  3. Step 3: Cross multiply
    8,955.44x = 13,438.56 × 3,116.15
  4. Step 4: Simplify right side
    8,955.44x = 41,876,568.74
  5. Step 5: Solve for x
    x = 41,876,568.74/8,955.44
  6. Step 6: Final answer
    x = 4,676.10

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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.