Home / 4,809.30-7,213.20-1,523.20

Finding the Fourth Proportional to 4,809.30, 7,213.20 and 1,523.20

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Solution

The fourth proportional to 4,809.30, 7,213.20 and 1,523.20 is: 2,284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.30 : 7,213.20 = 1,523.20 : x
  2. Step 2: Convert to fraction form
    4,809.30/7,213.20 = 1,523.20/x
  3. Step 3: Cross multiply
    4,809.30x = 7,213.20 × 1,523.20
  4. Step 4: Simplify right side
    4,809.30x = 10,987,146.24
  5. Step 5: Solve for x
    x = 10,987,146.24/4,809.30
  6. Step 6: Final answer
    x = 2,284.56

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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.