Home / 6,237.86-8,608.41-3,720.17

Finding the Fourth Proportional to 6,237.86, 8,608.41 and 3,720.17

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Solution

The fourth proportional to 6,237.86, 8,608.41 and 3,720.17 is: 5,133.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,237.86 : 8,608.41 = 3,720.17 : x
  2. Step 2: Convert to fraction form
    6,237.86/8,608.41 = 3,720.17/x
  3. Step 3: Cross multiply
    6,237.86x = 8,608.41 × 3,720.17
  4. Step 4: Simplify right side
    6,237.86x = 32,024,770.15
  5. Step 5: Solve for x
    x = 32,024,770.15/6,237.86
  6. Step 6: Final answer
    x = 5,133.94

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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.