Home / 5,381.55-8,075.30-2,094.80

Finding the Fourth Proportional to 5,381.55, 8,075.30 and 2,094.80

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Solution

The fourth proportional to 5,381.55, 8,075.30 and 2,094.80 is: 3,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.55 : 8,075.30 = 2,094.80 : x
  2. Step 2: Convert to fraction form
    5,381.55/8,075.30 = 2,094.80/x
  3. Step 3: Cross multiply
    5,381.55x = 8,075.30 × 2,094.80
  4. Step 4: Simplify right side
    5,381.55x = 16,916,087.59
  5. Step 5: Solve for x
    x = 16,916,087.59/5,381.55
  6. Step 6: Final answer
    x = 3,143.35

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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.