Home / 4,917.64-6,786.20-2,929.08

Finding the Fourth Proportional to 4,917.64, 6,786.20 and 2,929.08

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Solution

The fourth proportional to 4,917.64, 6,786.20 and 2,929.08 is: 4,042.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.64 : 6,786.20 = 2,929.08 : x
  2. Step 2: Convert to fraction form
    4,917.64/6,786.20 = 2,929.08/x
  3. Step 3: Cross multiply
    4,917.64x = 6,786.20 × 2,929.08
  4. Step 4: Simplify right side
    4,917.64x = 19,877,322.70
  5. Step 5: Solve for x
    x = 19,877,322.70/4,917.64
  6. Step 6: Final answer
    x = 4,042.05

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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.