Home / 5,114.04-7,667.40-2,190.75

Finding the Fourth Proportional to 5,114.04, 7,667.40 and 2,190.75

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Solution

The fourth proportional to 5,114.04, 7,667.40 and 2,190.75 is: 3,284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.04 : 7,667.40 = 2,190.75 : x
  2. Step 2: Convert to fraction form
    5,114.04/7,667.40 = 2,190.75/x
  3. Step 3: Cross multiply
    5,114.04x = 7,667.40 × 2,190.75
  4. Step 4: Simplify right side
    5,114.04x = 16,797,356.55
  5. Step 5: Solve for x
    x = 16,797,356.55/5,114.04
  6. Step 6: Final answer
    x = 3,284.56

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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.