Home / 6,786.40-10,168.34-6,530.44

Finding the Fourth Proportional to 6,786.40, 10,168.34 and 6,530.44

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Solution

The fourth proportional to 6,786.40, 10,168.34 and 6,530.44 is: 9,784.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.40 : 10,168.34 = 6,530.44 : x
  2. Step 2: Convert to fraction form
    6,786.40/10,168.34 = 6,530.44/x
  3. Step 3: Cross multiply
    6,786.40x = 10,168.34 × 6,530.44
  4. Step 4: Simplify right side
    6,786.40x = 66,403,734.27
  5. Step 5: Solve for x
    x = 66,403,734.27/6,786.40
  6. Step 6: Final answer
    x = 9,784.82

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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.