Home / 8,901.42-13,354.56-2,661.72

Finding the Fourth Proportional to 8,901.42, 13,354.56 and 2,661.72

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Solution

The fourth proportional to 8,901.42, 13,354.56 and 2,661.72 is: 3,993.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.42 : 13,354.56 = 2,661.72 : x
  2. Step 2: Convert to fraction form
    8,901.42/13,354.56 = 2,661.72/x
  3. Step 3: Cross multiply
    8,901.42x = 13,354.56 × 2,661.72
  4. Step 4: Simplify right side
    8,901.42x = 35,546,099.44
  5. Step 5: Solve for x
    x = 35,546,099.44/8,901.42
  6. Step 6: Final answer
    x = 3,993.31

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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.