Home / 5,539.25-8,308.86-1,379.18

Finding the Fourth Proportional to 5,539.25, 8,308.86 and 1,379.18

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Solution

The fourth proportional to 5,539.25, 8,308.86 and 1,379.18 is: 2,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.25 : 8,308.86 = 1,379.18 : x
  2. Step 2: Convert to fraction form
    5,539.25/8,308.86 = 1,379.18/x
  3. Step 3: Cross multiply
    5,539.25x = 8,308.86 × 1,379.18
  4. Step 4: Simplify right side
    5,539.25x = 11,459,413.53
  5. Step 5: Solve for x
    x = 11,459,413.53/5,539.25
  6. Step 6: Final answer
    x = 2,068.77

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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.