Home / 8,334.60-12,511.67-6,580.79

Finding the Fourth Proportional to 8,334.60, 12,511.67 and 6,580.79

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Solution

The fourth proportional to 8,334.60, 12,511.67 and 6,580.79 is: 9,878.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334.60 : 12,511.67 = 6,580.79 : x
  2. Step 2: Convert to fraction form
    8,334.60/12,511.67 = 6,580.79/x
  3. Step 3: Cross multiply
    8,334.60x = 12,511.67 × 6,580.79
  4. Step 4: Simplify right side
    8,334.60x = 82,336,657.12
  5. Step 5: Solve for x
    x = 82,336,657.12/8,334.60
  6. Step 6: Final answer
    x = 9,878.89

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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.