Home / 7,783.64-11,669.25-2,850.53

Finding the Fourth Proportional to 7,783.64, 11,669.25 and 2,850.53

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Solution

The fourth proportional to 7,783.64, 11,669.25 and 2,850.53 is: 4,273.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,783.64 : 11,669.25 = 2,850.53 : x
  2. Step 2: Convert to fraction form
    7,783.64/11,669.25 = 2,850.53/x
  3. Step 3: Cross multiply
    7,783.64x = 11,669.25 × 2,850.53
  4. Step 4: Simplify right side
    7,783.64x = 33,263,547.20
  5. Step 5: Solve for x
    x = 33,263,547.20/7,783.64
  6. Step 6: Final answer
    x = 4,273.52

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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.