Home / 4,923.35-7,382.80-1,412.56

Finding the Fourth Proportional to 4,923.35, 7,382.80 and 1,412.56

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Solution

The fourth proportional to 4,923.35, 7,382.80 and 1,412.56 is: 2,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.35 : 7,382.80 = 1,412.56 : x
  2. Step 2: Convert to fraction form
    4,923.35/7,382.80 = 1,412.56/x
  3. Step 3: Cross multiply
    4,923.35x = 7,382.80 × 1,412.56
  4. Step 4: Simplify right side
    4,923.35x = 10,428,647.97
  5. Step 5: Solve for x
    x = 10,428,647.97/4,923.35
  6. Step 6: Final answer
    x = 2,118.20

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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.