Home / 8,878.90-13,318.35-3,683.38

Finding the Fourth Proportional to 8,878.90, 13,318.35 and 3,683.38

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Solution

The fourth proportional to 8,878.90, 13,318.35 and 3,683.38 is: 5,525.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.90 : 13,318.35 = 3,683.38 : x
  2. Step 2: Convert to fraction form
    8,878.90/13,318.35 = 3,683.38/x
  3. Step 3: Cross multiply
    8,878.90x = 13,318.35 × 3,683.38
  4. Step 4: Simplify right side
    8,878.90x = 49,056,544.02
  5. Step 5: Solve for x
    x = 49,056,544.02/8,878.90
  6. Step 6: Final answer
    x = 5,525.07

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Double scale
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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.