Home / 4,891.12-7,335.90-1,604.20

Finding the Fourth Proportional to 4,891.12, 7,335.90 and 1,604.20

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Solution

The fourth proportional to 4,891.12, 7,335.90 and 1,604.20 is: 2,406.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.12 : 7,335.90 = 1,604.20 : x
  2. Step 2: Convert to fraction form
    4,891.12/7,335.90 = 1,604.20/x
  3. Step 3: Cross multiply
    4,891.12x = 7,335.90 × 1,604.20
  4. Step 4: Simplify right side
    4,891.12x = 11,768,250.78
  5. Step 5: Solve for x
    x = 11,768,250.78/4,891.12
  6. Step 6: Final answer
    x = 2,406.04

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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.