Home / 5,484.49-8,227.41-1,785.72

Finding the Fourth Proportional to 5,484.49, 8,227.41 and 1,785.72

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Solution

The fourth proportional to 5,484.49, 8,227.41 and 1,785.72 is: 2,678.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,484.49 : 8,227.41 = 1,785.72 : x
  2. Step 2: Convert to fraction form
    5,484.49/8,227.41 = 1,785.72/x
  3. Step 3: Cross multiply
    5,484.49x = 8,227.41 × 1,785.72
  4. Step 4: Simplify right side
    5,484.49x = 14,691,874.74
  5. Step 5: Solve for x
    x = 14,691,874.74/5,484.49
  6. Step 6: Final answer
    x = 2,678.81

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Half scale
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Double scale
Find fourth proportional to 5,485.49, 8,228.91 and 1,786.72
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.