Home / 5,081.64-7,622.96-1,571.51

Finding the Fourth Proportional to 5,081.64, 7,622.96 and 1,571.51

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Solution

The fourth proportional to 5,081.64, 7,622.96 and 1,571.51 is: 2,357.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.64 : 7,622.96 = 1,571.51 : x
  2. Step 2: Convert to fraction form
    5,081.64/7,622.96 = 1,571.51/x
  3. Step 3: Cross multiply
    5,081.64x = 7,622.96 × 1,571.51
  4. Step 4: Simplify right side
    5,081.64x = 11,979,511.90
  5. Step 5: Solve for x
    x = 11,979,511.90/5,081.64
  6. Step 6: Final answer
    x = 2,357.41

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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.