Home / 8,249.77-11,386.26-6,453.67

Finding the Fourth Proportional to 8,249.77, 11,386.26 and 6,453.67

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Solution

The fourth proportional to 8,249.77, 11,386.26 and 6,453.67 is: 8,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.77 : 11,386.26 = 6,453.67 : x
  2. Step 2: Convert to fraction form
    8,249.77/11,386.26 = 6,453.67/x
  3. Step 3: Cross multiply
    8,249.77x = 11,386.26 × 6,453.67
  4. Step 4: Simplify right side
    8,249.77x = 73,483,164.57
  5. Step 5: Solve for x
    x = 73,483,164.57/8,249.77
  6. Step 6: Final answer
    x = 8,907.30

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Half scale
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Double scale
Find fourth proportional to 8,250.77, 11,387.64 and 6,454.67
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.