Home / 5,380.60-8,087.10-4,667.80

Finding the Fourth Proportional to 5,380.60, 8,087.10 and 4,667.80

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Solution

The fourth proportional to 5,380.60, 8,087.10 and 4,667.80 is: 7,015.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.60 : 8,087.10 = 4,667.80 : x
  2. Step 2: Convert to fraction form
    5,380.60/8,087.10 = 4,667.80/x
  3. Step 3: Cross multiply
    5,380.60x = 8,087.10 × 4,667.80
  4. Step 4: Simplify right side
    5,380.60x = 37,748,965.38
  5. Step 5: Solve for x
    x = 37,748,965.38/5,380.60
  6. Step 6: Final answer
    x = 7,015.75

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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.