Home / 4,942.40-7,412.76-2,474.60

Finding the Fourth Proportional to 4,942.40, 7,412.76 and 2,474.60

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Solution

The fourth proportional to 4,942.40, 7,412.76 and 2,474.60 is: 3,711.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.40 : 7,412.76 = 2,474.60 : x
  2. Step 2: Convert to fraction form
    4,942.40/7,412.76 = 2,474.60/x
  3. Step 3: Cross multiply
    4,942.40x = 7,412.76 × 2,474.60
  4. Step 4: Simplify right side
    4,942.40x = 18,343,615.90
  5. Step 5: Solve for x
    x = 18,343,615.90/4,942.40
  6. Step 6: Final answer
    x = 3,711.48

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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.