Home / 8,829.39-13,234.86-6,485.91

Finding the Fourth Proportional to 8,829.39, 13,234.86 and 6,485.91

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Solution

The fourth proportional to 8,829.39, 13,234.86 and 6,485.91 is: 9,722.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,829.39 : 13,234.86 = 6,485.91 : x
  2. Step 2: Convert to fraction form
    8,829.39/13,234.86 = 6,485.91/x
  3. Step 3: Cross multiply
    8,829.39x = 13,234.86 × 6,485.91
  4. Step 4: Simplify right side
    8,829.39x = 85,840,110.82
  5. Step 5: Solve for x
    x = 85,840,110.82/8,829.39
  6. Step 6: Final answer
    x = 9,722.09

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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.