Home / 4,780.96-7,168.64-1,448.22

Finding the Fourth Proportional to 4,780.96, 7,168.64 and 1,448.22

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Solution

The fourth proportional to 4,780.96, 7,168.64 and 1,448.22 is: 2,171.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.96 : 7,168.64 = 1,448.22 : x
  2. Step 2: Convert to fraction form
    4,780.96/7,168.64 = 1,448.22/x
  3. Step 3: Cross multiply
    4,780.96x = 7,168.64 × 1,448.22
  4. Step 4: Simplify right side
    4,780.96x = 10,381,767.82
  5. Step 5: Solve for x
    x = 10,381,767.82/4,780.96
  6. Step 6: Final answer
    x = 2,171.48

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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.