Home / 8,161.04-12,239.58-3,774.31

Finding the Fourth Proportional to 8,161.04, 12,239.58 and 3,774.31

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Solution

The fourth proportional to 8,161.04, 12,239.58 and 3,774.31 is: 5,660.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.04 : 12,239.58 = 3,774.31 : x
  2. Step 2: Convert to fraction form
    8,161.04/12,239.58 = 3,774.31/x
  3. Step 3: Cross multiply
    8,161.04x = 12,239.58 × 3,774.31
  4. Step 4: Simplify right side
    8,161.04x = 46,195,969.19
  5. Step 5: Solve for x
    x = 46,195,969.19/8,161.04
  6. Step 6: Final answer
    x = 5,660.55

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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.