Home / 7,184.75-10,781.40-3,289.46

Finding the Fourth Proportional to 7,184.75, 10,781.40 and 3,289.46

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Solution

The fourth proportional to 7,184.75, 10,781.40 and 3,289.46 is: 4,936.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,184.75 : 10,781.40 = 3,289.46 : x
  2. Step 2: Convert to fraction form
    7,184.75/10,781.40 = 3,289.46/x
  3. Step 3: Cross multiply
    7,184.75x = 10,781.40 × 3,289.46
  4. Step 4: Simplify right side
    7,184.75x = 35,464,984.04
  5. Step 5: Solve for x
    x = 35,464,984.04/7,184.75
  6. Step 6: Final answer
    x = 4,936.15

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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.