Home / 8,065.60-12,099.48-2,519.32

Finding the Fourth Proportional to 8,065.60, 12,099.48 and 2,519.32

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Solution

The fourth proportional to 8,065.60, 12,099.48 and 2,519.32 is: 3,779.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.60 : 12,099.48 = 2,519.32 : x
  2. Step 2: Convert to fraction form
    8,065.60/12,099.48 = 2,519.32/x
  3. Step 3: Cross multiply
    8,065.60x = 12,099.48 × 2,519.32
  4. Step 4: Simplify right side
    8,065.60x = 30,482,461.95
  5. Step 5: Solve for x
    x = 30,482,461.95/8,065.60
  6. Step 6: Final answer
    x = 3,779.32

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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.