Home / 8,124.57-12,187.35-3,968.10

Finding the Fourth Proportional to 8,124.57, 12,187.35 and 3,968.10

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Solution

The fourth proportional to 8,124.57, 12,187.35 and 3,968.10 is: 5,952.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.57 : 12,187.35 = 3,968.10 : x
  2. Step 2: Convert to fraction form
    8,124.57/12,187.35 = 3,968.10/x
  3. Step 3: Cross multiply
    8,124.57x = 12,187.35 × 3,968.10
  4. Step 4: Simplify right side
    8,124.57x = 48,360,623.54
  5. Step 5: Solve for x
    x = 48,360,623.54/8,124.57
  6. Step 6: Final answer
    x = 5,952.39

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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.