Home / 4,814.80-7,222.16-1,527.88

Finding the Fourth Proportional to 4,814.80, 7,222.16 and 1,527.88

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Solution

The fourth proportional to 4,814.80, 7,222.16 and 1,527.88 is: 2,291.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.80 : 7,222.16 = 1,527.88 : x
  2. Step 2: Convert to fraction form
    4,814.80/7,222.16 = 1,527.88/x
  3. Step 3: Cross multiply
    4,814.80x = 7,222.16 × 1,527.88
  4. Step 4: Simplify right side
    4,814.80x = 11,034,593.82
  5. Step 5: Solve for x
    x = 11,034,593.82/4,814.80
  6. Step 6: Final answer
    x = 2,291.81

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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.