Home / 7,643.51-11,468.56-4,135.99

Finding the Fourth Proportional to 7,643.51, 11,468.56 and 4,135.99

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Solution

The fourth proportional to 7,643.51, 11,468.56 and 4,135.99 is: 6,205.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.51 : 11,468.56 = 4,135.99 : x
  2. Step 2: Convert to fraction form
    7,643.51/11,468.56 = 4,135.99/x
  3. Step 3: Cross multiply
    7,643.51x = 11,468.56 × 4,135.99
  4. Step 4: Simplify right side
    7,643.51x = 47,433,819.10
  5. Step 5: Solve for x
    x = 47,433,819.10/7,643.51
  6. Step 6: Final answer
    x = 6,205.76

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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.