Home / 5,413.02-8,116.40-2,124.32

Finding the Fourth Proportional to 5,413.02, 8,116.40 and 2,124.32

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Solution

The fourth proportional to 5,413.02, 8,116.40 and 2,124.32 is: 3,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.02 : 8,116.40 = 2,124.32 : x
  2. Step 2: Convert to fraction form
    5,413.02/8,116.40 = 2,124.32/x
  3. Step 3: Cross multiply
    5,413.02x = 8,116.40 × 2,124.32
  4. Step 4: Simplify right side
    5,413.02x = 17,241,830.85
  5. Step 5: Solve for x
    x = 17,241,830.85/5,413.02
  6. Step 6: Final answer
    x = 3,185.25

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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.