Home / 5,912.96-8,870.24-3,278.44

Finding the Fourth Proportional to 5,912.96, 8,870.24 and 3,278.44

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Solution

The fourth proportional to 5,912.96, 8,870.24 and 3,278.44 is: 4,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.96 : 8,870.24 = 3,278.44 : x
  2. Step 2: Convert to fraction form
    5,912.96/8,870.24 = 3,278.44/x
  3. Step 3: Cross multiply
    5,912.96x = 8,870.24 × 3,278.44
  4. Step 4: Simplify right side
    5,912.96x = 29,080,549.63
  5. Step 5: Solve for x
    x = 29,080,549.63/5,912.96
  6. Step 6: Final answer
    x = 4,918.10

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1.5x scale

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.