Home / 8,412.49-12,621.54-3,731.85

Finding the Fourth Proportional to 8,412.49, 12,621.54 and 3,731.85

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Solution

The fourth proportional to 8,412.49, 12,621.54 and 3,731.85 is: 5,599.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412.49 : 12,621.54 = 3,731.85 : x
  2. Step 2: Convert to fraction form
    8,412.49/12,621.54 = 3,731.85/x
  3. Step 3: Cross multiply
    8,412.49x = 12,621.54 × 3,731.85
  4. Step 4: Simplify right side
    8,412.49x = 47,101,725.60
  5. Step 5: Solve for x
    x = 47,101,725.60/8,412.49
  6. Step 6: Final answer
    x = 5,599.02

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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.