Home / 9,135.38-12,606.88-5,600.94

Finding the Fourth Proportional to 9,135.38, 12,606.88 and 5,600.94

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Solution

The fourth proportional to 9,135.38, 12,606.88 and 5,600.94 is: 7,729.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.38 : 12,606.88 = 5,600.94 : x
  2. Step 2: Convert to fraction form
    9,135.38/12,606.88 = 5,600.94/x
  3. Step 3: Cross multiply
    9,135.38x = 12,606.88 × 5,600.94
  4. Step 4: Simplify right side
    9,135.38x = 70,610,378.47
  5. Step 5: Solve for x
    x = 70,610,378.47/9,135.38
  6. Step 6: Final answer
    x = 7,729.33

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Half 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.