Home / 4,333.28-6,486.56-2,768.12

Finding the Fourth Proportional to 4,333.28, 6,486.56 and 2,768.12

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Solution

The fourth proportional to 4,333.28, 6,486.56 and 2,768.12 is: 4,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,333.28 : 6,486.56 = 2,768.12 : x
  2. Step 2: Convert to fraction form
    4,333.28/6,486.56 = 2,768.12/x
  3. Step 3: Cross multiply
    4,333.28x = 6,486.56 × 2,768.12
  4. Step 4: Simplify right side
    4,333.28x = 17,955,576.47
  5. Step 5: Solve for x
    x = 17,955,576.47/4,333.28
  6. Step 6: Final answer
    x = 4,143.65

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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.