Home / 4,084.32-6,118.32-3,156.64

Finding the Fourth Proportional to 4,084.32, 6,118.32 and 3,156.64

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Solution

The fourth proportional to 4,084.32, 6,118.32 and 3,156.64 is: 4,728.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.32 : 6,118.32 = 3,156.64 : x
  2. Step 2: Convert to fraction form
    4,084.32/6,118.32 = 3,156.64/x
  3. Step 3: Cross multiply
    4,084.32x = 6,118.32 × 3,156.64
  4. Step 4: Simplify right side
    4,084.32x = 19,313,333.64
  5. Step 5: Solve for x
    x = 19,313,333.64/4,084.32
  6. Step 6: Final answer
    x = 4,728.65

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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.