Home / 9,321.46-12,861.50-6,804.94

Finding the Fourth Proportional to 9,321.46, 12,861.50 and 6,804.94

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Solution

The fourth proportional to 9,321.46, 12,861.50 and 6,804.94 is: 9,389.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.46 : 12,861.50 = 6,804.94 : x
  2. Step 2: Convert to fraction form
    9,321.46/12,861.50 = 6,804.94/x
  3. Step 3: Cross multiply
    9,321.46x = 12,861.50 × 6,804.94
  4. Step 4: Simplify right side
    9,321.46x = 87,521,735.81
  5. Step 5: Solve for x
    x = 87,521,735.81/9,321.46
  6. Step 6: Final answer
    x = 9,389.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.