Home / 8,384.96-12,580.07-3,456.92

Finding the Fourth Proportional to 8,384.96, 12,580.07 and 3,456.92

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Solution

The fourth proportional to 8,384.96, 12,580.07 and 3,456.92 is: 5,186.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384.96 : 12,580.07 = 3,456.92 : x
  2. Step 2: Convert to fraction form
    8,384.96/12,580.07 = 3,456.92/x
  3. Step 3: Cross multiply
    8,384.96x = 12,580.07 × 3,456.92
  4. Step 4: Simplify right side
    8,384.96x = 43,488,288.50
  5. Step 5: Solve for x
    x = 43,488,288.50/8,384.96
  6. Step 6: Final answer
    x = 5,186.46

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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.