Home / 4,809.24-7,215.30-1,522.80

Finding the Fourth Proportional to 4,809.24, 7,215.30 and 1,522.80

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Solution

The fourth proportional to 4,809.24, 7,215.30 and 1,522.80 is: 2,284.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.24 : 7,215.30 = 1,522.80 : x
  2. Step 2: Convert to fraction form
    4,809.24/7,215.30 = 1,522.80/x
  3. Step 3: Cross multiply
    4,809.24x = 7,215.30 × 1,522.80
  4. Step 4: Simplify right side
    4,809.24x = 10,987,458.84
  5. Step 5: Solve for x
    x = 10,987,458.84/4,809.24
  6. Step 6: Final answer
    x = 2,284.66

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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.