Home / 5,022.45-6,930.09-2,783.61

Finding the Fourth Proportional to 5,022.45, 6,930.09 and 2,783.61

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Solution

The fourth proportional to 5,022.45, 6,930.09 and 2,783.61 is: 3,840.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.45 : 6,930.09 = 2,783.61 : x
  2. Step 2: Convert to fraction form
    5,022.45/6,930.09 = 2,783.61/x
  3. Step 3: Cross multiply
    5,022.45x = 6,930.09 × 2,783.61
  4. Step 4: Simplify right side
    5,022.45x = 19,290,667.82
  5. Step 5: Solve for x
    x = 19,290,667.82/5,022.45
  6. Step 6: Final answer
    x = 3,840.89

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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.