Home / 5,125.10-7,687.64-3,667.10

Finding the Fourth Proportional to 5,125.10, 7,687.64 and 3,667.10

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Solution

The fourth proportional to 5,125.10, 7,687.64 and 3,667.10 is: 5,500.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.10 : 7,687.64 = 3,667.10 : x
  2. Step 2: Convert to fraction form
    5,125.10/7,687.64 = 3,667.10/x
  3. Step 3: Cross multiply
    5,125.10x = 7,687.64 × 3,667.10
  4. Step 4: Simplify right side
    5,125.10x = 28,191,315.37
  5. Step 5: Solve for x
    x = 28,191,315.37/5,125.10
  6. Step 6: Final answer
    x = 5,500.64

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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.