Home / 10,643.08-15,964.62-2,851.68

Finding the Fourth Proportional to 10,643.08, 15,964.62 and 2,851.68

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Solution

The fourth proportional to 10,643.08, 15,964.62 and 2,851.68 is: 4,277.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.08 : 15,964.62 = 2,851.68 : x
  2. Step 2: Convert to fraction form
    10,643.08/15,964.62 = 2,851.68/x
  3. Step 3: Cross multiply
    10,643.08x = 15,964.62 × 2,851.68
  4. Step 4: Simplify right side
    10,643.08x = 45,525,987.56
  5. Step 5: Solve for x
    x = 45,525,987.56/10,643.08
  6. Step 6: Final answer
    x = 4,277.52

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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.