Home / 5,445.72-8,162.91-2,521.62

Finding the Fourth Proportional to 5,445.72, 8,162.91 and 2,521.62

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Solution

The fourth proportional to 5,445.72, 8,162.91 and 2,521.62 is: 3,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.72 : 8,162.91 = 2,521.62 : x
  2. Step 2: Convert to fraction form
    5,445.72/8,162.91 = 2,521.62/x
  3. Step 3: Cross multiply
    5,445.72x = 8,162.91 × 2,521.62
  4. Step 4: Simplify right side
    5,445.72x = 20,583,757.11
  5. Step 5: Solve for x
    x = 20,583,757.11/5,445.72
  6. Step 6: Final answer
    x = 3,779.80

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1.5x scale

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.