Home / 4,890.30-7,323.30-3,918.30

Finding the Fourth Proportional to 4,890.30, 7,323.30 and 3,918.30

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Solution

The fourth proportional to 4,890.30, 7,323.30 and 3,918.30 is: 5,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.30 : 7,323.30 = 3,918.30 : x
  2. Step 2: Convert to fraction form
    4,890.30/7,323.30 = 3,918.30/x
  3. Step 3: Cross multiply
    4,890.30x = 7,323.30 × 3,918.30
  4. Step 4: Simplify right side
    4,890.30x = 28,694,886.39
  5. Step 5: Solve for x
    x = 28,694,886.39/4,890.30
  6. Step 6: Final answer
    x = 5,867.71

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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.