Home / 5,438.57-8,153.70-2,803.23

Finding the Fourth Proportional to 5,438.57, 8,153.70 and 2,803.23

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Solution

The fourth proportional to 5,438.57, 8,153.70 and 2,803.23 is: 4,202.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.57 : 8,153.70 = 2,803.23 : x
  2. Step 2: Convert to fraction form
    5,438.57/8,153.70 = 2,803.23/x
  3. Step 3: Cross multiply
    5,438.57x = 8,153.70 × 2,803.23
  4. Step 4: Simplify right side
    5,438.57x = 22,856,696.45
  5. Step 5: Solve for x
    x = 22,856,696.45/5,438.57
  6. Step 6: Final answer
    x = 4,202.71

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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.