Home / 8,518.38-12,779.34-2,595.42

Finding the Fourth Proportional to 8,518.38, 12,779.34 and 2,595.42

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Solution

The fourth proportional to 8,518.38, 12,779.34 and 2,595.42 is: 3,893.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.38 : 12,779.34 = 2,595.42 : x
  2. Step 2: Convert to fraction form
    8,518.38/12,779.34 = 2,595.42/x
  3. Step 3: Cross multiply
    8,518.38x = 12,779.34 × 2,595.42
  4. Step 4: Simplify right side
    8,518.38x = 33,167,754.62
  5. Step 5: Solve for x
    x = 33,167,754.62/8,518.38
  6. Step 6: Final answer
    x = 3,893.67

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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.