Home / 7,109.10-10,664.73-3,410.64

Finding the Fourth Proportional to 7,109.10, 10,664.73 and 3,410.64

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Solution

The fourth proportional to 7,109.10, 10,664.73 and 3,410.64 is: 5,116.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109.10 : 10,664.73 = 3,410.64 : x
  2. Step 2: Convert to fraction form
    7,109.10/10,664.73 = 3,410.64/x
  3. Step 3: Cross multiply
    7,109.10x = 10,664.73 × 3,410.64
  4. Step 4: Simplify right side
    7,109.10x = 36,373,554.73
  5. Step 5: Solve for x
    x = 36,373,554.73/7,109.10
  6. Step 6: Final answer
    x = 5,116.48

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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.