Home / 5,075.83-7,614.35-2,153.75

Finding the Fourth Proportional to 5,075.83, 7,614.35 and 2,153.75

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Solution

The fourth proportional to 5,075.83, 7,614.35 and 2,153.75 is: 3,230.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.83 : 7,614.35 = 2,153.75 : x
  2. Step 2: Convert to fraction form
    5,075.83/7,614.35 = 2,153.75/x
  3. Step 3: Cross multiply
    5,075.83x = 7,614.35 × 2,153.75
  4. Step 4: Simplify right side
    5,075.83x = 16,399,406.31
  5. Step 5: Solve for x
    x = 16,399,406.31/5,075.83
  6. Step 6: Final answer
    x = 3,230.88

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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.