Home / 8,197.79-11,314.40-4,840.38

Finding the Fourth Proportional to 8,197.79, 11,314.40 and 4,840.38

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Solution

The fourth proportional to 8,197.79, 11,314.40 and 4,840.38 is: 6,680.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197.79 : 11,314.40 = 4,840.38 : x
  2. Step 2: Convert to fraction form
    8,197.79/11,314.40 = 4,840.38/x
  3. Step 3: Cross multiply
    8,197.79x = 11,314.40 × 4,840.38
  4. Step 4: Simplify right side
    8,197.79x = 54,765,971.27
  5. Step 5: Solve for x
    x = 54,765,971.27/8,197.79
  6. Step 6: Final answer
    x = 6,680.58

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,198.79, 11,315.78 and 4,841.38
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.