Home / 5,521.61-8,271.30-2,555.88

Finding the Fourth Proportional to 5,521.61, 8,271.30 and 2,555.88

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Solution

The fourth proportional to 5,521.61, 8,271.30 and 2,555.88 is: 3,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.61 : 8,271.30 = 2,555.88 : x
  2. Step 2: Convert to fraction form
    5,521.61/8,271.30 = 2,555.88/x
  3. Step 3: Cross multiply
    5,521.61x = 8,271.30 × 2,555.88
  4. Step 4: Simplify right side
    5,521.61x = 21,140,414.43
  5. Step 5: Solve for x
    x = 21,140,414.43/5,521.61
  6. Step 6: Final answer
    x = 3,828.67

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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.