Home / 4,899.81-7,350.63-1,613.04

Finding the Fourth Proportional to 4,899.81, 7,350.63 and 1,613.04

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Solution

The fourth proportional to 4,899.81, 7,350.63 and 1,613.04 is: 2,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.81 : 7,350.63 = 1,613.04 : x
  2. Step 2: Convert to fraction form
    4,899.81/7,350.63 = 1,613.04/x
  3. Step 3: Cross multiply
    4,899.81x = 7,350.63 × 1,613.04
  4. Step 4: Simplify right side
    4,899.81x = 11,856,835.67
  5. Step 5: Solve for x
    x = 11,856,835.67/4,899.81
  6. Step 6: Final answer
    x = 2,419.85

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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.