Home / 4,271.20-6,376.20-3,966.64

Finding the Fourth Proportional to 4,271.20, 6,376.20 and 3,966.64

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Solution

The fourth proportional to 4,271.20, 6,376.20 and 3,966.64 is: 5,921.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.20 : 6,376.20 = 3,966.64 : x
  2. Step 2: Convert to fraction form
    4,271.20/6,376.20 = 3,966.64/x
  3. Step 3: Cross multiply
    4,271.20x = 6,376.20 × 3,966.64
  4. Step 4: Simplify right side
    4,271.20x = 25,292,089.97
  5. Step 5: Solve for x
    x = 25,292,089.97/4,271.20
  6. Step 6: Final answer
    x = 5,921.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.