Home / 4,942.83-7,420.07-3,903.55

Finding the Fourth Proportional to 4,942.83, 7,420.07 and 3,903.55

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Solution

The fourth proportional to 4,942.83, 7,420.07 and 3,903.55 is: 5,859.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.83 : 7,420.07 = 3,903.55 : x
  2. Step 2: Convert to fraction form
    4,942.83/7,420.07 = 3,903.55/x
  3. Step 3: Cross multiply
    4,942.83x = 7,420.07 × 3,903.55
  4. Step 4: Simplify right side
    4,942.83x = 28,964,614.25
  5. Step 5: Solve for x
    x = 28,964,614.25/4,942.83
  6. Step 6: Final answer
    x = 5,859.93

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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.