Home / 9,164.38-13,746.57-3,320.98

Finding the Fourth Proportional to 9,164.38, 13,746.57 and 3,320.98

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Solution

The fourth proportional to 9,164.38, 13,746.57 and 3,320.98 is: 4,981.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,164.38 : 13,746.57 = 3,320.98 : x
  2. Step 2: Convert to fraction form
    9,164.38/13,746.57 = 3,320.98/x
  3. Step 3: Cross multiply
    9,164.38x = 13,746.57 × 3,320.98
  4. Step 4: Simplify right side
    9,164.38x = 45,652,067.43
  5. Step 5: Solve for x
    x = 45,652,067.43/9,164.38
  6. Step 6: Final answer
    x = 4,981.47

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Similar ratio
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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.