Home / 4,805.21-7,207.20-1,518.64

Finding the Fourth Proportional to 4,805.21, 7,207.20 and 1,518.64

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Solution

The fourth proportional to 4,805.21, 7,207.20 and 1,518.64 is: 2,277.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.21 : 7,207.20 = 1,518.64 : x
  2. Step 2: Convert to fraction form
    4,805.21/7,207.20 = 1,518.64/x
  3. Step 3: Cross multiply
    4,805.21x = 7,207.20 × 1,518.64
  4. Step 4: Simplify right side
    4,805.21x = 10,945,124.19
  5. Step 5: Solve for x
    x = 10,945,124.19/4,805.21
  6. Step 6: Final answer
    x = 2,277.76

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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.