Home / 4,271.20-6,406.80-3,094

Finding the Fourth Proportional to 4,271.20, 6,406.80 and 3,094

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Solution

The fourth proportional to 4,271.20, 6,406.80 and 3,094 is: 4,641

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.20 : 6,406.80 = 3,094 : x
  2. Step 2: Convert to fraction form
    4,271.20/6,406.80 = 3,094/x
  3. Step 3: Cross multiply
    4,271.20x = 6,406.80 × 3,094
  4. Step 4: Simplify right side
    4,271.20x = 19,822,639.20
  5. Step 5: Solve for x
    x = 19,822,639.20/4,271.20
  6. Step 6: Final answer
    x = 4,641

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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.