Home / 4,980.83-6,873.68-2,742.84

Finding the Fourth Proportional to 4,980.83, 6,873.68 and 2,742.84

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Solution

The fourth proportional to 4,980.83, 6,873.68 and 2,742.84 is: 3,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.83 : 6,873.68 = 2,742.84 : x
  2. Step 2: Convert to fraction form
    4,980.83/6,873.68 = 2,742.84/x
  3. Step 3: Cross multiply
    4,980.83x = 6,873.68 × 2,742.84
  4. Step 4: Simplify right side
    4,980.83x = 18,853,411.31
  5. Step 5: Solve for x
    x = 18,853,411.31/4,980.83
  6. Step 6: Final answer
    x = 3,785.20

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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.