Home / 7,643.21-11,468.32-4,529.39

Finding the Fourth Proportional to 7,643.21, 11,468.32 and 4,529.39

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Solution

The fourth proportional to 7,643.21, 11,468.32 and 4,529.39 is: 6,796.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.21 : 11,468.32 = 4,529.39 : x
  2. Step 2: Convert to fraction form
    7,643.21/11,468.32 = 4,529.39/x
  3. Step 3: Cross multiply
    7,643.21x = 11,468.32 × 4,529.39
  4. Step 4: Simplify right side
    7,643.21x = 51,944,425.26
  5. Step 5: Solve for x
    x = 51,944,425.26/7,643.21
  6. Step 6: Final answer
    x = 6,796.16

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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.