Home / 5,629.32-7,773.64-3,643.31

Finding the Fourth Proportional to 5,629.32, 7,773.64 and 3,643.31

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Solution

The fourth proportional to 5,629.32, 7,773.64 and 3,643.31 is: 5,031.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.32 : 7,773.64 = 3,643.31 : x
  2. Step 2: Convert to fraction form
    5,629.32/7,773.64 = 3,643.31/x
  3. Step 3: Cross multiply
    5,629.32x = 7,773.64 × 3,643.31
  4. Step 4: Simplify right side
    5,629.32x = 28,321,790.67
  5. Step 5: Solve for x
    x = 28,321,790.67/5,629.32
  6. Step 6: Final answer
    x = 5,031.12

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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.