Home / 6,723.70-10,085.55-4,128.10

Finding the Fourth Proportional to 6,723.70, 10,085.55 and 4,128.10

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Solution

The fourth proportional to 6,723.70, 10,085.55 and 4,128.10 is: 6,192.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723.70 : 10,085.55 = 4,128.10 : x
  2. Step 2: Convert to fraction form
    6,723.70/10,085.55 = 4,128.10/x
  3. Step 3: Cross multiply
    6,723.70x = 10,085.55 × 4,128.10
  4. Step 4: Simplify right side
    6,723.70x = 41,634,158.96
  5. Step 5: Solve for x
    x = 41,634,158.96/6,723.70
  6. Step 6: Final answer
    x = 6,192.15

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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.