Home / 8,454.01-12,682.41-4,779.85

Finding the Fourth Proportional to 8,454.01, 12,682.41 and 4,779.85

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Solution

The fourth proportional to 8,454.01, 12,682.41 and 4,779.85 is: 7,170.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.01 : 12,682.41 = 4,779.85 : x
  2. Step 2: Convert to fraction form
    8,454.01/12,682.41 = 4,779.85/x
  3. Step 3: Cross multiply
    8,454.01x = 12,682.41 × 4,779.85
  4. Step 4: Simplify right side
    8,454.01x = 60,620,017.44
  5. Step 5: Solve for x
    x = 60,620,017.44/8,454.01
  6. Step 6: Final answer
    x = 7,170.56

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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.