Home / 4,714.96-7,075-1,941.20

Finding the Fourth Proportional to 4,714.96, 7,075 and 1,941.20

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Solution

The fourth proportional to 4,714.96, 7,075 and 1,941.20 is: 2,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,714.96 : 7,075 = 1,941.20 : x
  2. Step 2: Convert to fraction form
    4,714.96/7,075 = 1,941.20/x
  3. Step 3: Cross multiply
    4,714.96x = 7,075 × 1,941.20
  4. Step 4: Simplify right side
    4,714.96x = 13,733,990
  5. Step 5: Solve for x
    x = 13,733,990/4,714.96
  6. Step 6: Final answer
    x = 2,912.85

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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.