Home / 5,639.18-8,453.60-2,173.82

Finding the Fourth Proportional to 5,639.18, 8,453.60 and 2,173.82

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Solution

The fourth proportional to 5,639.18, 8,453.60 and 2,173.82 is: 3,258.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.18 : 8,453.60 = 2,173.82 : x
  2. Step 2: Convert to fraction form
    5,639.18/8,453.60 = 2,173.82/x
  3. Step 3: Cross multiply
    5,639.18x = 8,453.60 × 2,173.82
  4. Step 4: Simplify right side
    5,639.18x = 18,376,567.92
  5. Step 5: Solve for x
    x = 18,376,567.92/5,639.18
  6. Step 6: Final answer
    x = 3,258.73

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1.5x scale

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.