Home / 4,253.78-5,868.58-3,137.37

Finding the Fourth Proportional to 4,253.78, 5,868.58 and 3,137.37

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Solution

The fourth proportional to 4,253.78, 5,868.58 and 3,137.37 is: 4,328.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.78 : 5,868.58 = 3,137.37 : x
  2. Step 2: Convert to fraction form
    4,253.78/5,868.58 = 3,137.37/x
  3. Step 3: Cross multiply
    4,253.78x = 5,868.58 × 3,137.37
  4. Step 4: Simplify right side
    4,253.78x = 18,411,861.80
  5. Step 5: Solve for x
    x = 18,411,861.80/4,253.78
  6. Step 6: Final answer
    x = 4,328.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.