Home / 5,376.54-7,421.97-3,137.56

Finding the Fourth Proportional to 5,376.54, 7,421.97 and 3,137.56

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Solution

The fourth proportional to 5,376.54, 7,421.97 and 3,137.56 is: 4,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.54 : 7,421.97 = 3,137.56 : x
  2. Step 2: Convert to fraction form
    5,376.54/7,421.97 = 3,137.56/x
  3. Step 3: Cross multiply
    5,376.54x = 7,421.97 × 3,137.56
  4. Step 4: Simplify right side
    5,376.54x = 23,286,876.19
  5. Step 5: Solve for x
    x = 23,286,876.19/5,376.54
  6. Step 6: Final answer
    x = 4,331.21

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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.