Home / 5,448.62-7,518.90-3,091.22

Finding the Fourth Proportional to 5,448.62, 7,518.90 and 3,091.22

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Solution

The fourth proportional to 5,448.62, 7,518.90 and 3,091.22 is: 4,265.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.62 : 7,518.90 = 3,091.22 : x
  2. Step 2: Convert to fraction form
    5,448.62/7,518.90 = 3,091.22/x
  3. Step 3: Cross multiply
    5,448.62x = 7,518.90 × 3,091.22
  4. Step 4: Simplify right side
    5,448.62x = 23,242,574.06
  5. Step 5: Solve for x
    x = 23,242,574.06/5,448.62
  6. Step 6: Final answer
    x = 4,265.77

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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.