Home / 4,479.48-6,180.78-2,616.12

Finding the Fourth Proportional to 4,479.48, 6,180.78 and 2,616.12

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Solution

The fourth proportional to 4,479.48, 6,180.78 and 2,616.12 is: 3,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.48 : 6,180.78 = 2,616.12 : x
  2. Step 2: Convert to fraction form
    4,479.48/6,180.78 = 2,616.12/x
  3. Step 3: Cross multiply
    4,479.48x = 6,180.78 × 2,616.12
  4. Step 4: Simplify right side
    4,479.48x = 16,169,662.17
  5. Step 5: Solve for x
    x = 16,169,662.17/4,479.48
  6. Step 6: Final answer
    x = 3,609.72

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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.