Home / 4,805.76-7,209.36-1,517.79

Finding the Fourth Proportional to 4,805.76, 7,209.36 and 1,517.79

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Solution

The fourth proportional to 4,805.76, 7,209.36 and 1,517.79 is: 2,276.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.76 : 7,209.36 = 1,517.79 : x
  2. Step 2: Convert to fraction form
    4,805.76/7,209.36 = 1,517.79/x
  3. Step 3: Cross multiply
    4,805.76x = 7,209.36 × 1,517.79
  4. Step 4: Simplify right side
    4,805.76x = 10,942,294.51
  5. Step 5: Solve for x
    x = 10,942,294.51/4,805.76
  6. Step 6: Final answer
    x = 2,276.91

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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.