Home / 5,078.51-7,004.63-3,396.95

Finding the Fourth Proportional to 5,078.51, 7,004.63 and 3,396.95

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Solution

The fourth proportional to 5,078.51, 7,004.63 and 3,396.95 is: 4,685.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.51 : 7,004.63 = 3,396.95 : x
  2. Step 2: Convert to fraction form
    5,078.51/7,004.63 = 3,396.95/x
  3. Step 3: Cross multiply
    5,078.51x = 7,004.63 × 3,396.95
  4. Step 4: Simplify right side
    5,078.51x = 23,794,351.35
  5. Step 5: Solve for x
    x = 23,794,351.35/5,078.51
  6. Step 6: Final answer
    x = 4,685.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.