Home / 6,450.40-9,675.59-4,258.61

Finding the Fourth Proportional to 6,450.40, 9,675.59 and 4,258.61

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Solution

The fourth proportional to 6,450.40, 9,675.59 and 4,258.61 is: 6,387.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.40 : 9,675.59 = 4,258.61 : x
  2. Step 2: Convert to fraction form
    6,450.40/9,675.59 = 4,258.61/x
  3. Step 3: Cross multiply
    6,450.40x = 9,675.59 × 4,258.61
  4. Step 4: Simplify right side
    6,450.40x = 41,204,564.33
  5. Step 5: Solve for x
    x = 41,204,564.33/6,450.40
  6. Step 6: Final answer
    x = 6,387.91

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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.