Home / 6,331.64-8,739.36-3,643.16

Finding the Fourth Proportional to 6,331.64, 8,739.36 and 3,643.16

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Solution

The fourth proportional to 6,331.64, 8,739.36 and 3,643.16 is: 5,028.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331.64 : 8,739.36 = 3,643.16 : x
  2. Step 2: Convert to fraction form
    6,331.64/8,739.36 = 3,643.16/x
  3. Step 3: Cross multiply
    6,331.64x = 8,739.36 × 3,643.16
  4. Step 4: Simplify right side
    6,331.64x = 31,838,908.63
  5. Step 5: Solve for x
    x = 31,838,908.63/6,331.64
  6. Step 6: Final answer
    x = 5,028.54

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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.