Home / 8,130.36-11,219.73-4,545.37

Finding the Fourth Proportional to 8,130.36, 11,219.73 and 4,545.37

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Solution

The fourth proportional to 8,130.36, 11,219.73 and 4,545.37 is: 6,272.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.36 : 11,219.73 = 4,545.37 : x
  2. Step 2: Convert to fraction form
    8,130.36/11,219.73 = 4,545.37/x
  3. Step 3: Cross multiply
    8,130.36x = 11,219.73 × 4,545.37
  4. Step 4: Simplify right side
    8,130.36x = 50,997,824.15
  5. Step 5: Solve for x
    x = 50,997,824.15/8,130.36
  6. Step 6: Final answer
    x = 6,272.52

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Half scale
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Double scale
Find fourth proportional to 8,131.36, 11,221.11 and 4,546.37
Similar ratio
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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.