Home / 8,045.21-12,070.55-7,268.83

Finding the Fourth Proportional to 8,045.21, 12,070.55 and 7,268.83

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Solution

The fourth proportional to 8,045.21, 12,070.55 and 7,268.83 is: 10,905.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.21 : 12,070.55 = 7,268.83 : x
  2. Step 2: Convert to fraction form
    8,045.21/12,070.55 = 7,268.83/x
  3. Step 3: Cross multiply
    8,045.21x = 12,070.55 × 7,268.83
  4. Step 4: Simplify right side
    8,045.21x = 87,738,763.95
  5. Step 5: Solve for x
    x = 87,738,763.95/8,045.21
  6. Step 6: Final answer
    x = 10,905.71

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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.