Home / 5,413.20-7,475.40-3,555.60

Finding the Fourth Proportional to 5,413.20, 7,475.40 and 3,555.60

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Solution

The fourth proportional to 5,413.20, 7,475.40 and 3,555.60 is: 4,910.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.20 : 7,475.40 = 3,555.60 : x
  2. Step 2: Convert to fraction form
    5,413.20/7,475.40 = 3,555.60/x
  3. Step 3: Cross multiply
    5,413.20x = 7,475.40 × 3,555.60
  4. Step 4: Simplify right side
    5,413.20x = 26,579,532.24
  5. Step 5: Solve for x
    x = 26,579,532.24/5,413.20
  6. Step 6: Final answer
    x = 4,910.13

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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.