Home / 8,065.12-12,100.11-2,519.05

Finding the Fourth Proportional to 8,065.12, 12,100.11 and 2,519.05

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Solution

The fourth proportional to 8,065.12, 12,100.11 and 2,519.05 is: 3,779.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.12 : 12,100.11 = 2,519.05 : x
  2. Step 2: Convert to fraction form
    8,065.12/12,100.11 = 2,519.05/x
  3. Step 3: Cross multiply
    8,065.12x = 12,100.11 × 2,519.05
  4. Step 4: Simplify right side
    8,065.12x = 30,480,782.10
  5. Step 5: Solve for x
    x = 30,480,782.10/8,065.12
  6. Step 6: Final answer
    x = 3,779.33

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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.