Home / 6,111.45-8,433.80-3,316.95

Finding the Fourth Proportional to 6,111.45, 8,433.80 and 3,316.95

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Solution

The fourth proportional to 6,111.45, 8,433.80 and 3,316.95 is: 4,577.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.45 : 8,433.80 = 3,316.95 : x
  2. Step 2: Convert to fraction form
    6,111.45/8,433.80 = 3,316.95/x
  3. Step 3: Cross multiply
    6,111.45x = 8,433.80 × 3,316.95
  4. Step 4: Simplify right side
    6,111.45x = 27,974,476.33
  5. Step 5: Solve for x
    x = 27,974,476.33/6,111.45
  6. Step 6: Final answer
    x = 4,577.39

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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.