Home / 4,120.08-5,688.36-3,677.22

Finding the Fourth Proportional to 4,120.08, 5,688.36 and 3,677.22

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Solution

The fourth proportional to 4,120.08, 5,688.36 and 3,677.22 is: 5,076.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.08 : 5,688.36 = 3,677.22 : x
  2. Step 2: Convert to fraction form
    4,120.08/5,688.36 = 3,677.22/x
  3. Step 3: Cross multiply
    4,120.08x = 5,688.36 × 3,677.22
  4. Step 4: Simplify right side
    4,120.08x = 20,917,351.16
  5. Step 5: Solve for x
    x = 20,917,351.16/4,120.08
  6. Step 6: Final answer
    x = 5,076.93

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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.