Home / 4,879.17-6,731.51-2,782.08

Finding the Fourth Proportional to 4,879.17, 6,731.51 and 2,782.08

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Solution

The fourth proportional to 4,879.17, 6,731.51 and 2,782.08 is: 3,838.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.17 : 6,731.51 = 2,782.08 : x
  2. Step 2: Convert to fraction form
    4,879.17/6,731.51 = 2,782.08/x
  3. Step 3: Cross multiply
    4,879.17x = 6,731.51 × 2,782.08
  4. Step 4: Simplify right side
    4,879.17x = 18,727,585.43
  5. Step 5: Solve for x
    x = 18,727,585.43/4,879.17
  6. Step 6: Final answer
    x = 3,838.27

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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.