Home / 6,649.86-9,181.44-4,133.10

Finding the Fourth Proportional to 6,649.86, 9,181.44 and 4,133.10

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Solution

The fourth proportional to 6,649.86, 9,181.44 and 4,133.10 is: 5,706.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,649.86 : 9,181.44 = 4,133.10 : x
  2. Step 2: Convert to fraction form
    6,649.86/9,181.44 = 4,133.10/x
  3. Step 3: Cross multiply
    6,649.86x = 9,181.44 × 4,133.10
  4. Step 4: Simplify right side
    6,649.86x = 37,947,844.09
  5. Step 5: Solve for x
    x = 37,947,844.09/6,649.86
  6. Step 6: Final answer
    x = 5,706.56

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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.