Home / 5,371.20-7,413.12-5,019.84

Finding the Fourth Proportional to 5,371.20, 7,413.12 and 5,019.84

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Solution

The fourth proportional to 5,371.20, 7,413.12 and 5,019.84 is: 6,928.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.20 : 7,413.12 = 5,019.84 : x
  2. Step 2: Convert to fraction form
    5,371.20/7,413.12 = 5,019.84/x
  3. Step 3: Cross multiply
    5,371.20x = 7,413.12 × 5,019.84
  4. Step 4: Simplify right side
    5,371.20x = 37,212,676.30
  5. Step 5: Solve for x
    x = 37,212,676.30/5,371.20
  6. Step 6: Final answer
    x = 6,928.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.