Home / 5,625.59-8,438.39-2,160.41

Finding the Fourth Proportional to 5,625.59, 8,438.39 and 2,160.41

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Solution

The fourth proportional to 5,625.59, 8,438.39 and 2,160.41 is: 3,240.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.59 : 8,438.39 = 2,160.41 : x
  2. Step 2: Convert to fraction form
    5,625.59/8,438.39 = 2,160.41/x
  3. Step 3: Cross multiply
    5,625.59x = 8,438.39 × 2,160.41
  4. Step 4: Simplify right side
    5,625.59x = 18,230,371.34
  5. Step 5: Solve for x
    x = 18,230,371.34/5,625.59
  6. Step 6: Final answer
    x = 3,240.62

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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.