Home / 4,307.28-5,939.53-3,190.39

Finding the Fourth Proportional to 4,307.28, 5,939.53 and 3,190.39

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Solution

The fourth proportional to 4,307.28, 5,939.53 and 3,190.39 is: 4,399.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307.28 : 5,939.53 = 3,190.39 : x
  2. Step 2: Convert to fraction form
    4,307.28/5,939.53 = 3,190.39/x
  3. Step 3: Cross multiply
    4,307.28x = 5,939.53 × 3,190.39
  4. Step 4: Simplify right side
    4,307.28x = 18,949,394.29
  5. Step 5: Solve for x
    x = 18,949,394.29/4,307.28
  6. Step 6: Final answer
    x = 4,399.39

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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.