Home / 4,413.92-6,620.88-1,127.02

Finding the Fourth Proportional to 4,413.92, 6,620.88 and 1,127.02

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Solution

The fourth proportional to 4,413.92, 6,620.88 and 1,127.02 is: 1,690.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.92 : 6,620.88 = 1,127.02 : x
  2. Step 2: Convert to fraction form
    4,413.92/6,620.88 = 1,127.02/x
  3. Step 3: Cross multiply
    4,413.92x = 6,620.88 × 1,127.02
  4. Step 4: Simplify right side
    4,413.92x = 7,461,825.44
  5. Step 5: Solve for x
    x = 7,461,825.44/4,413.92
  6. Step 6: Final answer
    x = 1,690.52

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Double scale
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Similar ratio
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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.