Home / 6,877.68-10,317.06-3,413.04

Finding the Fourth Proportional to 6,877.68, 10,317.06 and 3,413.04

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Solution

The fourth proportional to 6,877.68, 10,317.06 and 3,413.04 is: 5,119.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.68 : 10,317.06 = 3,413.04 : x
  2. Step 2: Convert to fraction form
    6,877.68/10,317.06 = 3,413.04/x
  3. Step 3: Cross multiply
    6,877.68x = 10,317.06 × 3,413.04
  4. Step 4: Simplify right side
    6,877.68x = 35,212,538.46
  5. Step 5: Solve for x
    x = 35,212,538.46/6,877.68
  6. Step 6: Final answer
    x = 5,119.83

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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.