Home / 6,461.78-8,917.26-3,629.16

Finding the Fourth Proportional to 6,461.78, 8,917.26 and 3,629.16

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Solution

The fourth proportional to 6,461.78, 8,917.26 and 3,629.16 is: 5,008.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461.78 : 8,917.26 = 3,629.16 : x
  2. Step 2: Convert to fraction form
    6,461.78/8,917.26 = 3,629.16/x
  3. Step 3: Cross multiply
    6,461.78x = 8,917.26 × 3,629.16
  4. Step 4: Simplify right side
    6,461.78x = 32,362,163.30
  5. Step 5: Solve for x
    x = 32,362,163.30/6,461.78
  6. Step 6: Final answer
    x = 5,008.24

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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.