Home / 8,384.36-12,572.22-3,453.08

Finding the Fourth Proportional to 8,384.36, 12,572.22 and 3,453.08

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Solution

The fourth proportional to 8,384.36, 12,572.22 and 3,453.08 is: 5,177.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384.36 : 12,572.22 = 3,453.08 : x
  2. Step 2: Convert to fraction form
    8,384.36/12,572.22 = 3,453.08/x
  3. Step 3: Cross multiply
    8,384.36x = 12,572.22 × 3,453.08
  4. Step 4: Simplify right side
    8,384.36x = 43,412,881.44
  5. Step 5: Solve for x
    x = 43,412,881.44/8,384.36
  6. Step 6: Final answer
    x = 5,177.84

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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.