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Finding the Fourth Proportional to 6,699.78, 10,053.86 and 2,804.22

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Solution

The fourth proportional to 6,699.78, 10,053.86 and 2,804.22 is: 4,208.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,699.78 : 10,053.86 = 2,804.22 : x
  2. Step 2: Convert to fraction form
    6,699.78/10,053.86 = 2,804.22/x
  3. Step 3: Cross multiply
    6,699.78x = 10,053.86 × 2,804.22
  4. Step 4: Simplify right side
    6,699.78x = 28,193,221.27
  5. Step 5: Solve for x
    x = 28,193,221.27/6,699.78
  6. Step 6: Final answer
    x = 4,208.08

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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.