Home / 8,518.88-12,779.53-2,675.94

Finding the Fourth Proportional to 8,518.88, 12,779.53 and 2,675.94

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Solution

The fourth proportional to 8,518.88, 12,779.53 and 2,675.94 is: 4,014.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.88 : 12,779.53 = 2,675.94 : x
  2. Step 2: Convert to fraction form
    8,518.88/12,779.53 = 2,675.94/x
  3. Step 3: Cross multiply
    8,518.88x = 12,779.53 × 2,675.94
  4. Step 4: Simplify right side
    8,518.88x = 34,197,255.51
  5. Step 5: Solve for x
    x = 34,197,255.51/8,518.88
  6. Step 6: Final answer
    x = 4,014.29

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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.