Home / 8,826.60-13,239.90-2,586.36

Finding the Fourth Proportional to 8,826.60, 13,239.90 and 2,586.36

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Solution

The fourth proportional to 8,826.60, 13,239.90 and 2,586.36 is: 3,879.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.60 : 13,239.90 = 2,586.36 : x
  2. Step 2: Convert to fraction form
    8,826.60/13,239.90 = 2,586.36/x
  3. Step 3: Cross multiply
    8,826.60x = 13,239.90 × 2,586.36
  4. Step 4: Simplify right side
    8,826.60x = 34,243,147.76
  5. Step 5: Solve for x
    x = 34,243,147.76/8,826.60
  6. Step 6: Final answer
    x = 3,879.54

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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.