Home / 8,519.13-12,779.90-2,676.20

Finding the Fourth Proportional to 8,519.13, 12,779.90 and 2,676.20

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Solution

The fourth proportional to 8,519.13, 12,779.90 and 2,676.20 is: 4,014.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.13 : 12,779.90 = 2,676.20 : x
  2. Step 2: Convert to fraction form
    8,519.13/12,779.90 = 2,676.20/x
  3. Step 3: Cross multiply
    8,519.13x = 12,779.90 × 2,676.20
  4. Step 4: Simplify right side
    8,519.13x = 34,201,491.10
  5. Step 5: Solve for x
    x = 34,201,491.10/8,519.13
  6. Step 6: Final answer
    x = 4,014.67

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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.