Home / 6,896.96-10,345.56-3,000.80

Finding the Fourth Proportional to 6,896.96, 10,345.56 and 3,000.80

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Solution

The fourth proportional to 6,896.96, 10,345.56 and 3,000.80 is: 4,501.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,896.96 : 10,345.56 = 3,000.80 : x
  2. Step 2: Convert to fraction form
    6,896.96/10,345.56 = 3,000.80/x
  3. Step 3: Cross multiply
    6,896.96x = 10,345.56 × 3,000.80
  4. Step 4: Simplify right side
    6,896.96x = 31,044,956.45
  5. Step 5: Solve for x
    x = 31,044,956.45/6,896.96
  6. Step 6: Final answer
    x = 4,501.25

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Half scale
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Double scale
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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.