Home / 8,523.20-12,779.58-3,323

Finding the Fourth Proportional to 8,523.20, 12,779.58 and 3,323

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Solution

The fourth proportional to 8,523.20, 12,779.58 and 3,323 is: 4,982.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,523.20 : 12,779.58 = 3,323 : x
  2. Step 2: Convert to fraction form
    8,523.20/12,779.58 = 3,323/x
  3. Step 3: Cross multiply
    8,523.20x = 12,779.58 × 3,323
  4. Step 4: Simplify right side
    8,523.20x = 42,466,544.34
  5. Step 5: Solve for x
    x = 42,466,544.34/8,523.20
  6. Step 6: Final answer
    x = 4,982.46

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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.