Home / 4,945.28-6,823.44-2,848.64

Finding the Fourth Proportional to 4,945.28, 6,823.44 and 2,848.64

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Solution

The fourth proportional to 4,945.28, 6,823.44 and 2,848.64 is: 3,930.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.28 : 6,823.44 = 2,848.64 : x
  2. Step 2: Convert to fraction form
    4,945.28/6,823.44 = 2,848.64/x
  3. Step 3: Cross multiply
    4,945.28x = 6,823.44 × 2,848.64
  4. Step 4: Simplify right side
    4,945.28x = 19,437,524.12
  5. Step 5: Solve for x
    x = 19,437,524.12/4,945.28
  6. Step 6: Final answer
    x = 3,930.52

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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.