Home / 7,760.21-11,643.72-2,566.08

Finding the Fourth Proportional to 7,760.21, 11,643.72 and 2,566.08

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Solution

The fourth proportional to 7,760.21, 11,643.72 and 2,566.08 is: 3,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.21 : 11,643.72 = 2,566.08 : x
  2. Step 2: Convert to fraction form
    7,760.21/11,643.72 = 2,566.08/x
  3. Step 3: Cross multiply
    7,760.21x = 11,643.72 × 2,566.08
  4. Step 4: Simplify right side
    7,760.21x = 29,878,717.02
  5. Step 5: Solve for x
    x = 29,878,717.02/7,760.21
  6. Step 6: Final answer
    x = 3,850.25

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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.