Home / 10,306.44-15,460.78-3,284.80

Finding the Fourth Proportional to 10,306.44, 15,460.78 and 3,284.80

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Solution

The fourth proportional to 10,306.44, 15,460.78 and 3,284.80 is: 4,927.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.44 : 15,460.78 = 3,284.80 : x
  2. Step 2: Convert to fraction form
    10,306.44/15,460.78 = 3,284.80/x
  3. Step 3: Cross multiply
    10,306.44x = 15,460.78 × 3,284.80
  4. Step 4: Simplify right side
    10,306.44x = 50,785,570.14
  5. Step 5: Solve for x
    x = 50,785,570.14/10,306.44
  6. Step 6: Final answer
    x = 4,927.56

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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.