Home / 8,245.10-12,364.57-3,313.07

Finding the Fourth Proportional to 8,245.10, 12,364.57 and 3,313.07

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Solution

The fourth proportional to 8,245.10, 12,364.57 and 3,313.07 is: 4,968.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.10 : 12,364.57 = 3,313.07 : x
  2. Step 2: Convert to fraction form
    8,245.10/12,364.57 = 3,313.07/x
  3. Step 3: Cross multiply
    8,245.10x = 12,364.57 × 3,313.07
  4. Step 4: Simplify right side
    8,245.10x = 40,964,615.82
  5. Step 5: Solve for x
    x = 40,964,615.82/8,245.10
  6. Step 6: Final answer
    x = 4,968.36

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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.