Home / 8,321.09-12,476.93-3,384.95

Finding the Fourth Proportional to 8,321.09, 12,476.93 and 3,384.95

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Solution

The fourth proportional to 8,321.09, 12,476.93 and 3,384.95 is: 5,075.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321.09 : 12,476.93 = 3,384.95 : x
  2. Step 2: Convert to fraction form
    8,321.09/12,476.93 = 3,384.95/x
  3. Step 3: Cross multiply
    8,321.09x = 12,476.93 × 3,384.95
  4. Step 4: Simplify right side
    8,321.09x = 42,233,704.89
  5. Step 5: Solve for x
    x = 42,233,704.89/8,321.09
  6. Step 6: Final answer
    x = 5,075.50

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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.