Home / 4,502.40-6,211.58-2,820.87

Finding the Fourth Proportional to 4,502.40, 6,211.58 and 2,820.87

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Solution

The fourth proportional to 4,502.40, 6,211.58 and 2,820.87 is: 3,891.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,502.40 : 6,211.58 = 2,820.87 : x
  2. Step 2: Convert to fraction form
    4,502.40/6,211.58 = 2,820.87/x
  3. Step 3: Cross multiply
    4,502.40x = 6,211.58 × 2,820.87
  4. Step 4: Simplify right side
    4,502.40x = 17,522,045.57
  5. Step 5: Solve for x
    x = 17,522,045.57/4,502.40
  6. Step 6: Final answer
    x = 3,891.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.