Home / 5,270.55-7,909.68-3,887.62

Finding the Fourth Proportional to 5,270.55, 7,909.68 and 3,887.62

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Solution

The fourth proportional to 5,270.55, 7,909.68 and 3,887.62 is: 5,834.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.55 : 7,909.68 = 3,887.62 : x
  2. Step 2: Convert to fraction form
    5,270.55/7,909.68 = 3,887.62/x
  3. Step 3: Cross multiply
    5,270.55x = 7,909.68 × 3,887.62
  4. Step 4: Simplify right side
    5,270.55x = 30,749,810.39
  5. Step 5: Solve for x
    x = 30,749,810.39/5,270.55
  6. Step 6: Final answer
    x = 5,834.27

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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.