Home / 5,225.57-7,838.37-1,765.25

Finding the Fourth Proportional to 5,225.57, 7,838.37 and 1,765.25

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Solution

The fourth proportional to 5,225.57, 7,838.37 and 1,765.25 is: 2,647.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.57 : 7,838.37 = 1,765.25 : x
  2. Step 2: Convert to fraction form
    5,225.57/7,838.37 = 1,765.25/x
  3. Step 3: Cross multiply
    5,225.57x = 7,838.37 × 1,765.25
  4. Step 4: Simplify right side
    5,225.57x = 13,836,643.45
  5. Step 5: Solve for x
    x = 13,836,643.45/5,225.57
  6. Step 6: Final answer
    x = 2,647.88

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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.