Home / 6,289.41-9,435.45-2,129.22

Finding the Fourth Proportional to 6,289.41, 9,435.45 and 2,129.22

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Solution

The fourth proportional to 6,289.41, 9,435.45 and 2,129.22 is: 3,194.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.41 : 9,435.45 = 2,129.22 : x
  2. Step 2: Convert to fraction form
    6,289.41/9,435.45 = 2,129.22/x
  3. Step 3: Cross multiply
    6,289.41x = 9,435.45 × 2,129.22
  4. Step 4: Simplify right side
    6,289.41x = 20,090,148.85
  5. Step 5: Solve for x
    x = 20,090,148.85/6,289.41
  6. Step 6: Final answer
    x = 3,194.28

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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.