Home / 7,627.35-11,424.37-3,171.51

Finding the Fourth Proportional to 7,627.35, 11,424.37 and 3,171.51

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Solution

The fourth proportional to 7,627.35, 11,424.37 and 3,171.51 is: 4,750.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.35 : 11,424.37 = 3,171.51 : x
  2. Step 2: Convert to fraction form
    7,627.35/11,424.37 = 3,171.51/x
  3. Step 3: Cross multiply
    7,627.35x = 11,424.37 × 3,171.51
  4. Step 4: Simplify right side
    7,627.35x = 36,232,503.70
  5. Step 5: Solve for x
    x = 36,232,503.70/7,627.35
  6. Step 6: Final answer
    x = 4,750.34

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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.