Home / 5,054.64-7,579.64-2,131.34

Finding the Fourth Proportional to 5,054.64, 7,579.64 and 2,131.34

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Solution

The fourth proportional to 5,054.64, 7,579.64 and 2,131.34 is: 3,196.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,054.64 : 7,579.64 = 2,131.34 : x
  2. Step 2: Convert to fraction form
    5,054.64/7,579.64 = 2,131.34/x
  3. Step 3: Cross multiply
    5,054.64x = 7,579.64 × 2,131.34
  4. Step 4: Simplify right side
    5,054.64x = 16,154,789.92
  5. Step 5: Solve for x
    x = 16,154,789.92/5,054.64
  6. Step 6: Final answer
    x = 3,196.03

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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.