Home / 4,854.84-7,281.12-2,080.20

Finding the Fourth Proportional to 4,854.84, 7,281.12 and 2,080.20

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Solution

The fourth proportional to 4,854.84, 7,281.12 and 2,080.20 is: 3,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,854.84 : 7,281.12 = 2,080.20 : x
  2. Step 2: Convert to fraction form
    4,854.84/7,281.12 = 2,080.20/x
  3. Step 3: Cross multiply
    4,854.84x = 7,281.12 × 2,080.20
  4. Step 4: Simplify right side
    4,854.84x = 15,146,185.82
  5. Step 5: Solve for x
    x = 15,146,185.82/4,854.84
  6. Step 6: Final answer
    x = 3,119.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.