Home / 5,762.75-8,633.69-2,645.36

Finding the Fourth Proportional to 5,762.75, 8,633.69 and 2,645.36

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Solution

The fourth proportional to 5,762.75, 8,633.69 and 2,645.36 is: 3,963.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,762.75 : 8,633.69 = 2,645.36 : x
  2. Step 2: Convert to fraction form
    5,762.75/8,633.69 = 2,645.36/x
  3. Step 3: Cross multiply
    5,762.75x = 8,633.69 × 2,645.36
  4. Step 4: Simplify right side
    5,762.75x = 22,839,204.08
  5. Step 5: Solve for x
    x = 22,839,204.08/5,762.75
  6. Step 6: Final answer
    x = 3,963.25

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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.