Home / 8,045.81-11,103.56-4,460.75

Finding the Fourth Proportional to 8,045.81, 11,103.56 and 4,460.75

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Solution

The fourth proportional to 8,045.81, 11,103.56 and 4,460.75 is: 6,156.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.81 : 11,103.56 = 4,460.75 : x
  2. Step 2: Convert to fraction form
    8,045.81/11,103.56 = 4,460.75/x
  3. Step 3: Cross multiply
    8,045.81x = 11,103.56 × 4,460.75
  4. Step 4: Simplify right side
    8,045.81x = 49,530,273.36
  5. Step 5: Solve for x
    x = 49,530,273.36/8,045.81
  6. Step 6: Final answer
    x = 6,156.03

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Half scale
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Double scale
Find fourth proportional to 8,046.81, 11,104.94 and 4,461.75
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.