Home / 6,738.60-10,107.90-5,669.40

Finding the Fourth Proportional to 6,738.60, 10,107.90 and 5,669.40

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Solution

The fourth proportional to 6,738.60, 10,107.90 and 5,669.40 is: 8,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,738.60 : 10,107.90 = 5,669.40 : x
  2. Step 2: Convert to fraction form
    6,738.60/10,107.90 = 5,669.40/x
  3. Step 3: Cross multiply
    6,738.60x = 10,107.90 × 5,669.40
  4. Step 4: Simplify right side
    6,738.60x = 57,305,728.26
  5. Step 5: Solve for x
    x = 57,305,728.26/6,738.60
  6. Step 6: Final answer
    x = 8,504.10

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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.