Home / 6,485.46-9,728.33-4,278.41

Finding the Fourth Proportional to 6,485.46, 9,728.33 and 4,278.41

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Solution

The fourth proportional to 6,485.46, 9,728.33 and 4,278.41 is: 6,417.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,485.46 : 9,728.33 = 4,278.41 : x
  2. Step 2: Convert to fraction form
    6,485.46/9,728.33 = 4,278.41/x
  3. Step 3: Cross multiply
    6,485.46x = 9,728.33 × 4,278.41
  4. Step 4: Simplify right side
    6,485.46x = 41,621,784.36
  5. Step 5: Solve for x
    x = 41,621,784.36/6,485.46
  6. Step 6: Final answer
    x = 6,417.71

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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.