Home / 8,779.48-13,179.35-6,936.73

Finding the Fourth Proportional to 8,779.48, 13,179.35 and 6,936.73

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Solution

The fourth proportional to 8,779.48, 13,179.35 and 6,936.73 is: 10,413.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.48 : 13,179.35 = 6,936.73 : x
  2. Step 2: Convert to fraction form
    8,779.48/13,179.35 = 6,936.73/x
  3. Step 3: Cross multiply
    8,779.48x = 13,179.35 × 6,936.73
  4. Step 4: Simplify right side
    8,779.48x = 91,421,592.53
  5. Step 5: Solve for x
    x = 91,421,592.53/8,779.48
  6. Step 6: Final answer
    x = 10,413.10

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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.