Home / 4,907.34-7,361.37-1,985.58

Finding the Fourth Proportional to 4,907.34, 7,361.37 and 1,985.58

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Solution

The fourth proportional to 4,907.34, 7,361.37 and 1,985.58 is: 2,978.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.34 : 7,361.37 = 1,985.58 : x
  2. Step 2: Convert to fraction form
    4,907.34/7,361.37 = 1,985.58/x
  3. Step 3: Cross multiply
    4,907.34x = 7,361.37 × 1,985.58
  4. Step 4: Simplify right side
    4,907.34x = 14,616,589.04
  5. Step 5: Solve for x
    x = 14,616,589.04/4,907.34
  6. Step 6: Final answer
    x = 2,978.52

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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.