Home / 5,639.10-8,462.02-3,008.56

Finding the Fourth Proportional to 5,639.10, 8,462.02 and 3,008.56

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Solution

The fourth proportional to 5,639.10, 8,462.02 and 3,008.56 is: 4,514.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.10 : 8,462.02 = 3,008.56 : x
  2. Step 2: Convert to fraction form
    5,639.10/8,462.02 = 3,008.56/x
  3. Step 3: Cross multiply
    5,639.10x = 8,462.02 × 3,008.56
  4. Step 4: Simplify right side
    5,639.10x = 25,458,494.89
  5. Step 5: Solve for x
    x = 25,458,494.89/5,639.10
  6. Step 6: Final answer
    x = 4,514.64

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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.