Home / 8,065.32-12,100.40-2,519.24

Finding the Fourth Proportional to 8,065.32, 12,100.40 and 2,519.24

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Solution

The fourth proportional to 8,065.32, 12,100.40 and 2,519.24 is: 3,779.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.32 : 12,100.40 = 2,519.24 : x
  2. Step 2: Convert to fraction form
    8,065.32/12,100.40 = 2,519.24/x
  3. Step 3: Cross multiply
    8,065.32x = 12,100.40 × 2,519.24
  4. Step 4: Simplify right side
    8,065.32x = 30,483,811.70
  5. Step 5: Solve for x
    x = 30,483,811.70/8,065.32
  6. Step 6: Final answer
    x = 3,779.62

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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.