Home / 9,137.46-12,609.66-4,945.72

Finding the Fourth Proportional to 9,137.46, 12,609.66 and 4,945.72

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Solution

The fourth proportional to 9,137.46, 12,609.66 and 4,945.72 is: 6,825.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.46 : 12,609.66 = 4,945.72 : x
  2. Step 2: Convert to fraction form
    9,137.46/12,609.66 = 4,945.72/x
  3. Step 3: Cross multiply
    9,137.46x = 12,609.66 × 4,945.72
  4. Step 4: Simplify right side
    9,137.46x = 62,363,847.66
  5. Step 5: Solve for x
    x = 62,363,847.66/9,137.46
  6. Step 6: Final answer
    x = 6,825.07

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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.