Home / 4,990.26-7,485.38-1,342.26

Finding the Fourth Proportional to 4,990.26, 7,485.38 and 1,342.26

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Solution

The fourth proportional to 4,990.26, 7,485.38 and 1,342.26 is: 2,013.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.26 : 7,485.38 = 1,342.26 : x
  2. Step 2: Convert to fraction form
    4,990.26/7,485.38 = 1,342.26/x
  3. Step 3: Cross multiply
    4,990.26x = 7,485.38 × 1,342.26
  4. Step 4: Simplify right side
    4,990.26x = 10,047,326.16
  5. Step 5: Solve for x
    x = 10,047,326.16/4,990.26
  6. Step 6: Final answer
    x = 2,013.39

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Similar ratio
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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.