Home / 4,907.20-7,361.28-1,397.36

Finding the Fourth Proportional to 4,907.20, 7,361.28 and 1,397.36

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Solution

The fourth proportional to 4,907.20, 7,361.28 and 1,397.36 is: 2,096.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.20 : 7,361.28 = 1,397.36 : x
  2. Step 2: Convert to fraction form
    4,907.20/7,361.28 = 1,397.36/x
  3. Step 3: Cross multiply
    4,907.20x = 7,361.28 × 1,397.36
  4. Step 4: Simplify right side
    4,907.20x = 10,286,358.22
  5. Step 5: Solve for x
    x = 10,286,358.22/4,907.20
  6. Step 6: Final answer
    x = 2,096.18

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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.