Home / 4,271.60-6,412.92-3,298.40

Finding the Fourth Proportional to 4,271.60, 6,412.92 and 3,298.40

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Solution

The fourth proportional to 4,271.60, 6,412.92 and 3,298.40 is: 4,951.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.60 : 6,412.92 = 3,298.40 : x
  2. Step 2: Convert to fraction form
    4,271.60/6,412.92 = 3,298.40/x
  3. Step 3: Cross multiply
    4,271.60x = 6,412.92 × 3,298.40
  4. Step 4: Simplify right side
    4,271.60x = 21,152,375.33
  5. Step 5: Solve for x
    x = 21,152,375.33/4,271.60
  6. Step 6: Final answer
    x = 4,951.86

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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.