Home / 4,980.80-6,873.67-2,742.83

Finding the Fourth Proportional to 4,980.80, 6,873.67 and 2,742.83

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Solution

The fourth proportional to 4,980.80, 6,873.67 and 2,742.83 is: 3,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.80 : 6,873.67 = 2,742.83 : x
  2. Step 2: Convert to fraction form
    4,980.80/6,873.67 = 2,742.83/x
  3. Step 3: Cross multiply
    4,980.80x = 6,873.67 × 2,742.83
  4. Step 4: Simplify right side
    4,980.80x = 18,853,267.06
  5. Step 5: Solve for x
    x = 18,853,267.06/4,980.80
  6. Step 6: Final answer
    x = 3,785.19

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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.