Home / 8,010.18-12,020.31-3,393.18

Finding the Fourth Proportional to 8,010.18, 12,020.31 and 3,393.18

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Solution

The fourth proportional to 8,010.18, 12,020.31 and 3,393.18 is: 5,091.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,010.18 : 12,020.31 = 3,393.18 : x
  2. Step 2: Convert to fraction form
    8,010.18/12,020.31 = 3,393.18/x
  3. Step 3: Cross multiply
    8,010.18x = 12,020.31 × 3,393.18
  4. Step 4: Simplify right side
    8,010.18x = 40,787,075.49
  5. Step 5: Solve for x
    x = 40,787,075.49/8,010.18
  6. Step 6: Final answer
    x = 5,091.90

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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.