Home / 4,798.72-7,199.04-1,720.96

Finding the Fourth Proportional to 4,798.72, 7,199.04 and 1,720.96

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Solution

The fourth proportional to 4,798.72, 7,199.04 and 1,720.96 is: 2,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,798.72 : 7,199.04 = 1,720.96 : x
  2. Step 2: Convert to fraction form
    4,798.72/7,199.04 = 1,720.96/x
  3. Step 3: Cross multiply
    4,798.72x = 7,199.04 × 1,720.96
  4. Step 4: Simplify right side
    4,798.72x = 12,389,259.88
  5. Step 5: Solve for x
    x = 12,389,259.88/4,798.72
  6. Step 6: Final answer
    x = 2,581.78

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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.