Home / 4,814.47-7,221.04-1,527.90

Finding the Fourth Proportional to 4,814.47, 7,221.04 and 1,527.90

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Solution

The fourth proportional to 4,814.47, 7,221.04 and 1,527.90 is: 2,291.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.47 : 7,221.04 = 1,527.90 : x
  2. Step 2: Convert to fraction form
    4,814.47/7,221.04 = 1,527.90/x
  3. Step 3: Cross multiply
    4,814.47x = 7,221.04 × 1,527.90
  4. Step 4: Simplify right side
    4,814.47x = 11,033,027.02
  5. Step 5: Solve for x
    x = 11,033,027.02/4,814.47
  6. Step 6: Final answer
    x = 2,291.64

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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.