Home / 4,820.46-7,231.28-1,357.71

Finding the Fourth Proportional to 4,820.46, 7,231.28 and 1,357.71

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Solution

The fourth proportional to 4,820.46, 7,231.28 and 1,357.71 is: 2,036.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.46 : 7,231.28 = 1,357.71 : x
  2. Step 2: Convert to fraction form
    4,820.46/7,231.28 = 1,357.71/x
  3. Step 3: Cross multiply
    4,820.46x = 7,231.28 × 1,357.71
  4. Step 4: Simplify right side
    4,820.46x = 9,817,974.38
  5. Step 5: Solve for x
    x = 9,817,974.38/4,820.46
  6. Step 6: Final answer
    x = 2,036.73

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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.