Home / 4,851.18-7,276.55-1,388.43

Finding the Fourth Proportional to 4,851.18, 7,276.55 and 1,388.43

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Solution

The fourth proportional to 4,851.18, 7,276.55 and 1,388.43 is: 2,082.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.18 : 7,276.55 = 1,388.43 : x
  2. Step 2: Convert to fraction form
    4,851.18/7,276.55 = 1,388.43/x
  3. Step 3: Cross multiply
    4,851.18x = 7,276.55 × 1,388.43
  4. Step 4: Simplify right side
    4,851.18x = 10,102,973.37
  5. Step 5: Solve for x
    x = 10,102,973.37/4,851.18
  6. Step 6: Final answer
    x = 2,082.58

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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.