Home / 6,481.28-9,671.35-5,783.15

Finding the Fourth Proportional to 6,481.28, 9,671.35 and 5,783.15

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Solution

The fourth proportional to 6,481.28, 9,671.35 and 5,783.15 is: 8,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481.28 : 9,671.35 = 5,783.15 : x
  2. Step 2: Convert to fraction form
    6,481.28/9,671.35 = 5,783.15/x
  3. Step 3: Cross multiply
    6,481.28x = 9,671.35 × 5,783.15
  4. Step 4: Simplify right side
    6,481.28x = 55,930,790.48
  5. Step 5: Solve for x
    x = 55,930,790.48/6,481.28
  6. Step 6: Final answer
    x = 8,629.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.