Home / 8,519.29-12,779.48-2,676.13

Finding the Fourth Proportional to 8,519.29, 12,779.48 and 2,676.13

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Solution

The fourth proportional to 8,519.29, 12,779.48 and 2,676.13 is: 4,014.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.29 : 12,779.48 = 2,676.13 : x
  2. Step 2: Convert to fraction form
    8,519.29/12,779.48 = 2,676.13/x
  3. Step 3: Cross multiply
    8,519.29x = 12,779.48 × 2,676.13
  4. Step 4: Simplify right side
    8,519.29x = 34,199,549.81
  5. Step 5: Solve for x
    x = 34,199,549.81/8,519.29
  6. Step 6: Final answer
    x = 4,014.37

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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.