Home / 4,078.36-6,117.14-1,304.28

Finding the Fourth Proportional to 4,078.36, 6,117.14 and 1,304.28

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Solution

The fourth proportional to 4,078.36, 6,117.14 and 1,304.28 is: 1,956.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.36 : 6,117.14 = 1,304.28 : x
  2. Step 2: Convert to fraction form
    4,078.36/6,117.14 = 1,304.28/x
  3. Step 3: Cross multiply
    4,078.36x = 6,117.14 × 1,304.28
  4. Step 4: Simplify right side
    4,078.36x = 7,978,463.36
  5. Step 5: Solve for x
    x = 7,978,463.36/4,078.36
  6. Step 6: Final answer
    x = 1,956.29

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1.5x scale

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.