Home / 6,783.28-9,359.76-4,266.88

Finding the Fourth Proportional to 6,783.28, 9,359.76 and 4,266.88

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Solution

The fourth proportional to 6,783.28, 9,359.76 and 4,266.88 is: 5,887.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.28 : 9,359.76 = 4,266.88 : x
  2. Step 2: Convert to fraction form
    6,783.28/9,359.76 = 4,266.88/x
  3. Step 3: Cross multiply
    6,783.28x = 9,359.76 × 4,266.88
  4. Step 4: Simplify right side
    6,783.28x = 39,936,972.75
  5. Step 5: Solve for x
    x = 39,936,972.75/6,783.28
  6. Step 6: Final answer
    x = 5,887.56

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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.