Home / 7,385.08-10,191.42-4,027.90

Finding the Fourth Proportional to 7,385.08, 10,191.42 and 4,027.90

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Solution

The fourth proportional to 7,385.08, 10,191.42 and 4,027.90 is: 5,558.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.08 : 10,191.42 = 4,027.90 : x
  2. Step 2: Convert to fraction form
    7,385.08/10,191.42 = 4,027.90/x
  3. Step 3: Cross multiply
    7,385.08x = 10,191.42 × 4,027.90
  4. Step 4: Simplify right side
    7,385.08x = 41,050,020.62
  5. Step 5: Solve for x
    x = 41,050,020.62/7,385.08
  6. Step 6: Final answer
    x = 5,558.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.