Home / 5,388.09-8,075.52-2,573.70

Finding the Fourth Proportional to 5,388.09, 8,075.52 and 2,573.70

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Solution

The fourth proportional to 5,388.09, 8,075.52 and 2,573.70 is: 3,857.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.09 : 8,075.52 = 2,573.70 : x
  2. Step 2: Convert to fraction form
    5,388.09/8,075.52 = 2,573.70/x
  3. Step 3: Cross multiply
    5,388.09x = 8,075.52 × 2,573.70
  4. Step 4: Simplify right side
    5,388.09x = 20,783,965.82
  5. Step 5: Solve for x
    x = 20,783,965.82/5,388.09
  6. Step 6: Final answer
    x = 3,857.39

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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.