Home / 5,381.84-8,075.88-2,261.60

Finding the Fourth Proportional to 5,381.84, 8,075.88 and 2,261.60

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Solution

The fourth proportional to 5,381.84, 8,075.88 and 2,261.60 is: 3,393.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.84 : 8,075.88 = 2,261.60 : x
  2. Step 2: Convert to fraction form
    5,381.84/8,075.88 = 2,261.60/x
  3. Step 3: Cross multiply
    5,381.84x = 8,075.88 × 2,261.60
  4. Step 4: Simplify right side
    5,381.84x = 18,264,410.21
  5. Step 5: Solve for x
    x = 18,264,410.21/5,381.84
  6. Step 6: Final answer
    x = 3,393.71

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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.