Home / 4,261.03-6,390.37-2,698.69

Finding the Fourth Proportional to 4,261.03, 6,390.37 and 2,698.69

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Solution

The fourth proportional to 4,261.03, 6,390.37 and 2,698.69 is: 4,047.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.03 : 6,390.37 = 2,698.69 : x
  2. Step 2: Convert to fraction form
    4,261.03/6,390.37 = 2,698.69/x
  3. Step 3: Cross multiply
    4,261.03x = 6,390.37 × 2,698.69
  4. Step 4: Simplify right side
    4,261.03x = 17,245,582.17
  5. Step 5: Solve for x
    x = 17,245,582.17/4,261.03
  6. Step 6: Final answer
    x = 4,047.28

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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.