Home / 8,500.21-12,749.94-4,340.11

Finding the Fourth Proportional to 8,500.21, 12,749.94 and 4,340.11

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Solution

The fourth proportional to 8,500.21, 12,749.94 and 4,340.11 is: 6,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.21 : 12,749.94 = 4,340.11 : x
  2. Step 2: Convert to fraction form
    8,500.21/12,749.94 = 4,340.11/x
  3. Step 3: Cross multiply
    8,500.21x = 12,749.94 × 4,340.11
  4. Step 4: Simplify right side
    8,500.21x = 55,336,142.09
  5. Step 5: Solve for x
    x = 55,336,142.09/8,500.21
  6. Step 6: Final answer
    x = 6,509.97

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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.