Home / 5,381.42-8,075.16-2,094.09

Finding the Fourth Proportional to 5,381.42, 8,075.16 and 2,094.09

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Solution

The fourth proportional to 5,381.42, 8,075.16 and 2,094.09 is: 3,142.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.42 : 8,075.16 = 2,094.09 : x
  2. Step 2: Convert to fraction form
    5,381.42/8,075.16 = 2,094.09/x
  3. Step 3: Cross multiply
    5,381.42x = 8,075.16 × 2,094.09
  4. Step 4: Simplify right side
    5,381.42x = 16,910,111.80
  5. Step 5: Solve for x
    x = 16,910,111.80/5,381.42
  6. Step 6: Final answer
    x = 3,142.32

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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.