Home / 10,278.75-14,183.91-5,802.96

Finding the Fourth Proportional to 10,278.75, 14,183.91 and 5,802.96

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Solution

The fourth proportional to 10,278.75, 14,183.91 and 5,802.96 is: 8,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.75 : 14,183.91 = 5,802.96 : x
  2. Step 2: Convert to fraction form
    10,278.75/14,183.91 = 5,802.96/x
  3. Step 3: Cross multiply
    10,278.75x = 14,183.91 × 5,802.96
  4. Step 4: Simplify right side
    10,278.75x = 82,308,662.37
  5. Step 5: Solve for x
    x = 82,308,662.37/10,278.75
  6. Step 6: Final answer
    x = 8,007.65

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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.