Home / 5,629.41-8,444.34-2,119.05

Finding the Fourth Proportional to 5,629.41, 8,444.34 and 2,119.05

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Solution

The fourth proportional to 5,629.41, 8,444.34 and 2,119.05 is: 3,178.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.41 : 8,444.34 = 2,119.05 : x
  2. Step 2: Convert to fraction form
    5,629.41/8,444.34 = 2,119.05/x
  3. Step 3: Cross multiply
    5,629.41x = 8,444.34 × 2,119.05
  4. Step 4: Simplify right side
    5,629.41x = 17,893,978.68
  5. Step 5: Solve for x
    x = 17,893,978.68/5,629.41
  6. Step 6: Final answer
    x = 3,178.66

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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.