Home / 5,376.88-7,413.12-3,695.20

Finding the Fourth Proportional to 5,376.88, 7,413.12 and 3,695.20

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Solution

The fourth proportional to 5,376.88, 7,413.12 and 3,695.20 is: 5,094.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.88 : 7,413.12 = 3,695.20 : x
  2. Step 2: Convert to fraction form
    5,376.88/7,413.12 = 3,695.20/x
  3. Step 3: Cross multiply
    5,376.88x = 7,413.12 × 3,695.20
  4. Step 4: Simplify right side
    5,376.88x = 27,392,961.02
  5. Step 5: Solve for x
    x = 27,392,961.02/5,376.88
  6. Step 6: Final answer
    x = 5,094.58

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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.