Home / 6,112.50-8,435.43-3,318.18

Finding the Fourth Proportional to 6,112.50, 8,435.43 and 3,318.18

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Solution

The fourth proportional to 6,112.50, 8,435.43 and 3,318.18 is: 4,579.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.50 : 8,435.43 = 3,318.18 : x
  2. Step 2: Convert to fraction form
    6,112.50/8,435.43 = 3,318.18/x
  3. Step 3: Cross multiply
    6,112.50x = 8,435.43 × 3,318.18
  4. Step 4: Simplify right side
    6,112.50x = 27,990,275.12
  5. Step 5: Solve for x
    x = 27,990,275.12/6,112.50
  6. Step 6: Final answer
    x = 4,579.19

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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.