Home / 9,431.82-14,151.42-2,858.70

Finding the Fourth Proportional to 9,431.82, 14,151.42 and 2,858.70

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Solution

The fourth proportional to 9,431.82, 14,151.42 and 2,858.70 is: 4,289.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.82 : 14,151.42 = 2,858.70 : x
  2. Step 2: Convert to fraction form
    9,431.82/14,151.42 = 2,858.70/x
  3. Step 3: Cross multiply
    9,431.82x = 14,151.42 × 2,858.70
  4. Step 4: Simplify right side
    9,431.82x = 40,454,664.35
  5. Step 5: Solve for x
    x = 40,454,664.35/9,431.82
  6. Step 6: Final answer
    x = 4,289.17

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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.