Home / 5,676.60-8,515.58-2,388.81

Finding the Fourth Proportional to 5,676.60, 8,515.58 and 2,388.81

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Solution

The fourth proportional to 5,676.60, 8,515.58 and 2,388.81 is: 3,583.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.60 : 8,515.58 = 2,388.81 : x
  2. Step 2: Convert to fraction form
    5,676.60/8,515.58 = 2,388.81/x
  3. Step 3: Cross multiply
    5,676.60x = 8,515.58 × 2,388.81
  4. Step 4: Simplify right side
    5,676.60x = 20,342,090.72
  5. Step 5: Solve for x
    x = 20,342,090.72/5,676.60
  6. Step 6: Final answer
    x = 3,583.50

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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.