Home / 5,311.42-7,968.75-2,716.18

Finding the Fourth Proportional to 5,311.42, 7,968.75 and 2,716.18

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Solution

The fourth proportional to 5,311.42, 7,968.75 and 2,716.18 is: 4,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.42 : 7,968.75 = 2,716.18 : x
  2. Step 2: Convert to fraction form
    5,311.42/7,968.75 = 2,716.18/x
  3. Step 3: Cross multiply
    5,311.42x = 7,968.75 × 2,716.18
  4. Step 4: Simplify right side
    5,311.42x = 21,644,559.38
  5. Step 5: Solve for x
    x = 21,644,559.38/5,311.42
  6. Step 6: Final answer
    x = 4,075.10

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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.