Home / 5,639.61-8,464.55-3,009.35

Finding the Fourth Proportional to 5,639.61, 8,464.55 and 3,009.35

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Solution

The fourth proportional to 5,639.61, 8,464.55 and 3,009.35 is: 4,516.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.61 : 8,464.55 = 3,009.35 : x
  2. Step 2: Convert to fraction form
    5,639.61/8,464.55 = 3,009.35/x
  3. Step 3: Cross multiply
    5,639.61x = 8,464.55 × 3,009.35
  4. Step 4: Simplify right side
    5,639.61x = 25,472,736.17
  5. Step 5: Solve for x
    x = 25,472,736.17/5,639.61
  6. Step 6: Final answer
    x = 4,516.75

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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.