Home / 6,640.23-9,961.26-2,256.51

Finding the Fourth Proportional to 6,640.23, 9,961.26 and 2,256.51

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Solution

The fourth proportional to 6,640.23, 9,961.26 and 2,256.51 is: 3,385.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640.23 : 9,961.26 = 2,256.51 : x
  2. Step 2: Convert to fraction form
    6,640.23/9,961.26 = 2,256.51/x
  3. Step 3: Cross multiply
    6,640.23x = 9,961.26 × 2,256.51
  4. Step 4: Simplify right side
    6,640.23x = 22,477,682.80
  5. Step 5: Solve for x
    x = 22,477,682.80/6,640.23
  6. Step 6: Final answer
    x = 3,385.08

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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.