Home / 8,335.84-12,496.40-3,145.36

Finding the Fourth Proportional to 8,335.84, 12,496.40 and 3,145.36

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Solution

The fourth proportional to 8,335.84, 12,496.40 and 3,145.36 is: 4,715.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,335.84 : 12,496.40 = 3,145.36 : x
  2. Step 2: Convert to fraction form
    8,335.84/12,496.40 = 3,145.36/x
  3. Step 3: Cross multiply
    8,335.84x = 12,496.40 × 3,145.36
  4. Step 4: Simplify right side
    8,335.84x = 39,305,676.70
  5. Step 5: Solve for x
    x = 39,305,676.70/8,335.84
  6. Step 6: Final answer
    x = 4,715.26

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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.