Home / 8,440.70-12,662.48-2,597.18

Finding the Fourth Proportional to 8,440.70, 12,662.48 and 2,597.18

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Solution

The fourth proportional to 8,440.70, 12,662.48 and 2,597.18 is: 3,896.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.70 : 12,662.48 = 2,597.18 : x
  2. Step 2: Convert to fraction form
    8,440.70/12,662.48 = 2,597.18/x
  3. Step 3: Cross multiply
    8,440.70x = 12,662.48 × 2,597.18
  4. Step 4: Simplify right side
    8,440.70x = 32,886,682.99
  5. Step 5: Solve for x
    x = 32,886,682.99/8,440.70
  6. Step 6: Final answer
    x = 3,896.21

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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.