Home / 4,805.28-7,208.15-1,518.64

Finding the Fourth Proportional to 4,805.28, 7,208.15 and 1,518.64

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Solution

The fourth proportional to 4,805.28, 7,208.15 and 1,518.64 is: 2,278.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.28 : 7,208.15 = 1,518.64 : x
  2. Step 2: Convert to fraction form
    4,805.28/7,208.15 = 1,518.64/x
  3. Step 3: Cross multiply
    4,805.28x = 7,208.15 × 1,518.64
  4. Step 4: Simplify right side
    4,805.28x = 10,946,584.92
  5. Step 5: Solve for x
    x = 10,946,584.92/4,805.28
  6. Step 6: Final answer
    x = 2,278.03

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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.