Home / 4,115.20-6,172.08-1,518.16

Finding the Fourth Proportional to 4,115.20, 6,172.08 and 1,518.16

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Solution

The fourth proportional to 4,115.20, 6,172.08 and 1,518.16 is: 2,276.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.20 : 6,172.08 = 1,518.16 : x
  2. Step 2: Convert to fraction form
    4,115.20/6,172.08 = 1,518.16/x
  3. Step 3: Cross multiply
    4,115.20x = 6,172.08 × 1,518.16
  4. Step 4: Simplify right side
    4,115.20x = 9,370,204.97
  5. Step 5: Solve for x
    x = 9,370,204.97/4,115.20
  6. Step 6: Final answer
    x = 2,276.97

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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.