Home / 8,327.12-12,492.48-2,779.44

Finding the Fourth Proportional to 8,327.12, 12,492.48 and 2,779.44

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Solution

The fourth proportional to 8,327.12, 12,492.48 and 2,779.44 is: 4,169.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327.12 : 12,492.48 = 2,779.44 : x
  2. Step 2: Convert to fraction form
    8,327.12/12,492.48 = 2,779.44/x
  3. Step 3: Cross multiply
    8,327.12x = 12,492.48 × 2,779.44
  4. Step 4: Simplify right side
    8,327.12x = 34,722,098.61
  5. Step 5: Solve for x
    x = 34,722,098.61/8,327.12
  6. Step 6: Final answer
    x = 4,169.76

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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.