Home / 4,610.40-6,915.60-1,323.30

Finding the Fourth Proportional to 4,610.40, 6,915.60 and 1,323.30

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Solution

The fourth proportional to 4,610.40, 6,915.60 and 1,323.30 is: 1,984.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610.40 : 6,915.60 = 1,323.30 : x
  2. Step 2: Convert to fraction form
    4,610.40/6,915.60 = 1,323.30/x
  3. Step 3: Cross multiply
    4,610.40x = 6,915.60 × 1,323.30
  4. Step 4: Simplify right side
    4,610.40x = 9,151,413.48
  5. Step 5: Solve for x
    x = 9,151,413.48/4,610.40
  6. Step 6: Final answer
    x = 1,984.95

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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.