Home / 4,816.19-6,645.93-2,772.15

Finding the Fourth Proportional to 4,816.19, 6,645.93 and 2,772.15

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Solution

The fourth proportional to 4,816.19, 6,645.93 and 2,772.15 is: 3,825.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.19 : 6,645.93 = 2,772.15 : x
  2. Step 2: Convert to fraction form
    4,816.19/6,645.93 = 2,772.15/x
  3. Step 3: Cross multiply
    4,816.19x = 6,645.93 × 2,772.15
  4. Step 4: Simplify right side
    4,816.19x = 18,423,514.85
  5. Step 5: Solve for x
    x = 18,423,514.85/4,816.19
  6. Step 6: Final answer
    x = 3,825.33

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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.