Home / 6,669.64-9,203.97-3,685.42

Finding the Fourth Proportional to 6,669.64, 9,203.97 and 3,685.42

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Solution

The fourth proportional to 6,669.64, 9,203.97 and 3,685.42 is: 5,085.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,669.64 : 9,203.97 = 3,685.42 : x
  2. Step 2: Convert to fraction form
    6,669.64/9,203.97 = 3,685.42/x
  3. Step 3: Cross multiply
    6,669.64x = 9,203.97 × 3,685.42
  4. Step 4: Simplify right side
    6,669.64x = 33,920,495.12
  5. Step 5: Solve for x
    x = 33,920,495.12/6,669.64
  6. Step 6: Final answer
    x = 5,085.81

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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.