Home / 8,315.49-12,473.20-3,383.96

Finding the Fourth Proportional to 8,315.49, 12,473.20 and 3,383.96

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Solution

The fourth proportional to 8,315.49, 12,473.20 and 3,383.96 is: 5,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.49 : 12,473.20 = 3,383.96 : x
  2. Step 2: Convert to fraction form
    8,315.49/12,473.20 = 3,383.96/x
  3. Step 3: Cross multiply
    8,315.49x = 12,473.20 × 3,383.96
  4. Step 4: Simplify right side
    8,315.49x = 42,208,809.87
  5. Step 5: Solve for x
    x = 42,208,809.87/8,315.49
  6. Step 6: Final answer
    x = 5,075.93

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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.