Home / 9,137.11-12,609.22-4,945.36

Finding the Fourth Proportional to 9,137.11, 12,609.22 and 4,945.36

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Solution

The fourth proportional to 9,137.11, 12,609.22 and 4,945.36 is: 6,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.11 : 12,609.22 = 4,945.36 : x
  2. Step 2: Convert to fraction form
    9,137.11/12,609.22 = 4,945.36/x
  3. Step 3: Cross multiply
    9,137.11x = 12,609.22 × 4,945.36
  4. Step 4: Simplify right side
    9,137.11x = 62,357,132.22
  5. Step 5: Solve for x
    x = 62,357,132.22/9,137.11
  6. Step 6: Final answer
    x = 6,824.60

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Double scale
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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.