Home / 8,969.22-13,456.71-2,730.44

Finding the Fourth Proportional to 8,969.22, 13,456.71 and 2,730.44

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Solution

The fourth proportional to 8,969.22, 13,456.71 and 2,730.44 is: 4,096.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969.22 : 13,456.71 = 2,730.44 : x
  2. Step 2: Convert to fraction form
    8,969.22/13,456.71 = 2,730.44/x
  3. Step 3: Cross multiply
    8,969.22x = 13,456.71 × 2,730.44
  4. Step 4: Simplify right side
    8,969.22x = 36,742,743.46
  5. Step 5: Solve for x
    x = 36,742,743.46/8,969.22
  6. Step 6: Final answer
    x = 4,096.54

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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.