Home / 4,814.42-7,221.88-1,527.76

Finding the Fourth Proportional to 4,814.42, 7,221.88 and 1,527.76

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Solution

The fourth proportional to 4,814.42, 7,221.88 and 1,527.76 is: 2,291.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.42 : 7,221.88 = 1,527.76 : x
  2. Step 2: Convert to fraction form
    4,814.42/7,221.88 = 1,527.76/x
  3. Step 3: Cross multiply
    4,814.42x = 7,221.88 × 1,527.76
  4. Step 4: Simplify right side
    4,814.42x = 11,033,299.39
  5. Step 5: Solve for x
    x = 11,033,299.39/4,814.42
  6. Step 6: Final answer
    x = 2,291.72

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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.