Home / 8,453.72-12,681.66-3,261.08

Finding the Fourth Proportional to 8,453.72, 12,681.66 and 3,261.08

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Solution

The fourth proportional to 8,453.72, 12,681.66 and 3,261.08 is: 4,892.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.72 : 12,681.66 = 3,261.08 : x
  2. Step 2: Convert to fraction form
    8,453.72/12,681.66 = 3,261.08/x
  3. Step 3: Cross multiply
    8,453.72x = 12,681.66 × 3,261.08
  4. Step 4: Simplify right side
    8,453.72x = 41,355,907.79
  5. Step 5: Solve for x
    x = 41,355,907.79/8,453.72
  6. Step 6: Final answer
    x = 4,892.04

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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.