Home / 8,231.49-12,351.96-4,075.11

Finding the Fourth Proportional to 8,231.49, 12,351.96 and 4,075.11

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Solution

The fourth proportional to 8,231.49, 12,351.96 and 4,075.11 is: 6,115.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.49 : 12,351.96 = 4,075.11 : x
  2. Step 2: Convert to fraction form
    8,231.49/12,351.96 = 4,075.11/x
  3. Step 3: Cross multiply
    8,231.49x = 12,351.96 × 4,075.11
  4. Step 4: Simplify right side
    8,231.49x = 50,335,595.72
  5. Step 5: Solve for x
    x = 50,335,595.72/8,231.49
  6. Step 6: Final answer
    x = 6,115.00

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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.