Home / 4,820.80-7,226.92-1,901.20

Finding the Fourth Proportional to 4,820.80, 7,226.92 and 1,901.20

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Solution

The fourth proportional to 4,820.80, 7,226.92 and 1,901.20 is: 2,850.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.80 : 7,226.92 = 1,901.20 : x
  2. Step 2: Convert to fraction form
    4,820.80/7,226.92 = 1,901.20/x
  3. Step 3: Cross multiply
    4,820.80x = 7,226.92 × 1,901.20
  4. Step 4: Simplify right side
    4,820.80x = 13,739,820.30
  5. Step 5: Solve for x
    x = 13,739,820.30/4,820.80
  6. Step 6: Final answer
    x = 2,850.11

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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.