Home / 4,990.01-7,485.44-1,292.19

Finding the Fourth Proportional to 4,990.01, 7,485.44 and 1,292.19

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Solution

The fourth proportional to 4,990.01, 7,485.44 and 1,292.19 is: 1,938.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.01 : 7,485.44 = 1,292.19 : x
  2. Step 2: Convert to fraction form
    4,990.01/7,485.44 = 1,292.19/x
  3. Step 3: Cross multiply
    4,990.01x = 7,485.44 × 1,292.19
  4. Step 4: Simplify right side
    4,990.01x = 9,672,576.18
  5. Step 5: Solve for x
    x = 9,672,576.18/4,990.01
  6. Step 6: Final answer
    x = 1,938.39

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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.