Home / 4,938.30-7,343.90-4,782.54

Finding the Fourth Proportional to 4,938.30, 7,343.90 and 4,782.54

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Solution

The fourth proportional to 4,938.30, 7,343.90 and 4,782.54 is: 7,112.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.30 : 7,343.90 = 4,782.54 : x
  2. Step 2: Convert to fraction form
    4,938.30/7,343.90 = 4,782.54/x
  3. Step 3: Cross multiply
    4,938.30x = 7,343.90 × 4,782.54
  4. Step 4: Simplify right side
    4,938.30x = 35,122,517.07
  5. Step 5: Solve for x
    x = 35,122,517.07/4,938.30
  6. Step 6: Final answer
    x = 7,112.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.