Home / 5,845.20-8,065.26-3,487.56

Finding the Fourth Proportional to 5,845.20, 8,065.26 and 3,487.56

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Solution

The fourth proportional to 5,845.20, 8,065.26 and 3,487.56 is: 4,812.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,845.20 : 8,065.26 = 3,487.56 : x
  2. Step 2: Convert to fraction form
    5,845.20/8,065.26 = 3,487.56/x
  3. Step 3: Cross multiply
    5,845.20x = 8,065.26 × 3,487.56
  4. Step 4: Simplify right side
    5,845.20x = 28,128,078.17
  5. Step 5: Solve for x
    x = 28,128,078.17/5,845.20
  6. Step 6: Final answer
    x = 4,812.17

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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.