Home / 6,075.18-8,385.84-3,558.09

Finding the Fourth Proportional to 6,075.18, 8,385.84 and 3,558.09

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Solution

The fourth proportional to 6,075.18, 8,385.84 and 3,558.09 is: 4,911.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,075.18 : 8,385.84 = 3,558.09 : x
  2. Step 2: Convert to fraction form
    6,075.18/8,385.84 = 3,558.09/x
  3. Step 3: Cross multiply
    6,075.18x = 8,385.84 × 3,558.09
  4. Step 4: Simplify right side
    6,075.18x = 29,837,604.89
  5. Step 5: Solve for x
    x = 29,837,604.89/6,075.18
  6. Step 6: Final answer
    x = 4,911.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.