Home / 8,115.39-11,197.44-4,577.31

Finding the Fourth Proportional to 8,115.39, 11,197.44 and 4,577.31

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Solution

The fourth proportional to 8,115.39, 11,197.44 and 4,577.31 is: 6,315.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115.39 : 11,197.44 = 4,577.31 : x
  2. Step 2: Convert to fraction form
    8,115.39/11,197.44 = 4,577.31/x
  3. Step 3: Cross multiply
    8,115.39x = 11,197.44 × 4,577.31
  4. Step 4: Simplify right side
    8,115.39x = 51,254,154.09
  5. Step 5: Solve for x
    x = 51,254,154.09/8,115.39
  6. Step 6: Final answer
    x = 6,315.67

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,116.39, 11,198.82 and 4,578.31
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.