Home / 9,090.03-13,639.02-4,413.63

Finding the Fourth Proportional to 9,090.03, 13,639.02 and 4,413.63

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Solution

The fourth proportional to 9,090.03, 13,639.02 and 4,413.63 is: 6,622.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.03 : 13,639.02 = 4,413.63 : x
  2. Step 2: Convert to fraction form
    9,090.03/13,639.02 = 4,413.63/x
  3. Step 3: Cross multiply
    9,090.03x = 13,639.02 × 4,413.63
  4. Step 4: Simplify right side
    9,090.03x = 60,197,587.84
  5. Step 5: Solve for x
    x = 60,197,587.84/9,090.03
  6. Step 6: Final answer
    x = 6,622.38

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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.