Home / 6,739.70-10,109.55-6,630.35

Finding the Fourth Proportional to 6,739.70, 10,109.55 and 6,630.35

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Solution

The fourth proportional to 6,739.70, 10,109.55 and 6,630.35 is: 9,945.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.70 : 10,109.55 = 6,630.35 : x
  2. Step 2: Convert to fraction form
    6,739.70/10,109.55 = 6,630.35/x
  3. Step 3: Cross multiply
    6,739.70x = 10,109.55 × 6,630.35
  4. Step 4: Simplify right side
    6,739.70x = 67,029,854.84
  5. Step 5: Solve for x
    x = 67,029,854.84/6,739.70
  6. Step 6: Final answer
    x = 9,945.53

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Similar ratio
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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.