Home / 4,185.18-6,276.74-1,411.12

Finding the Fourth Proportional to 4,185.18, 6,276.74 and 1,411.12

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Solution

The fourth proportional to 4,185.18, 6,276.74 and 1,411.12 is: 2,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.18 : 6,276.74 = 1,411.12 : x
  2. Step 2: Convert to fraction form
    4,185.18/6,276.74 = 1,411.12/x
  3. Step 3: Cross multiply
    4,185.18x = 6,276.74 × 1,411.12
  4. Step 4: Simplify right side
    4,185.18x = 8,857,233.35
  5. Step 5: Solve for x
    x = 8,857,233.35/4,185.18
  6. Step 6: Final answer
    x = 2,116.33

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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.