Home / 4,271.36-6,398.40-2,392.88

Finding the Fourth Proportional to 4,271.36, 6,398.40 and 2,392.88

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Solution

The fourth proportional to 4,271.36, 6,398.40 and 2,392.88 is: 3,584.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.36 : 6,398.40 = 2,392.88 : x
  2. Step 2: Convert to fraction form
    4,271.36/6,398.40 = 2,392.88/x
  3. Step 3: Cross multiply
    4,271.36x = 6,398.40 × 2,392.88
  4. Step 4: Simplify right side
    4,271.36x = 15,310,603.39
  5. Step 5: Solve for x
    x = 15,310,603.39/4,271.36
  6. Step 6: Final answer
    x = 3,584.48

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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.