Home / 6,111.28-8,433.52-3,316.80

Finding the Fourth Proportional to 6,111.28, 8,433.52 and 3,316.80

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Solution

The fourth proportional to 6,111.28, 8,433.52 and 3,316.80 is: 4,577.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.28 : 8,433.52 = 3,316.80 : x
  2. Step 2: Convert to fraction form
    6,111.28/8,433.52 = 3,316.80/x
  3. Step 3: Cross multiply
    6,111.28x = 8,433.52 × 3,316.80
  4. Step 4: Simplify right side
    6,111.28x = 27,972,299.14
  5. Step 5: Solve for x
    x = 27,972,299.14/6,111.28
  6. Step 6: Final answer
    x = 4,577.16

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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.