Home / 5,676.84-8,513.40-2,389.32

Finding the Fourth Proportional to 5,676.84, 8,513.40 and 2,389.32

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Solution

The fourth proportional to 5,676.84, 8,513.40 and 2,389.32 is: 3,583.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.84 : 8,513.40 = 2,389.32 : x
  2. Step 2: Convert to fraction form
    5,676.84/8,513.40 = 2,389.32/x
  3. Step 3: Cross multiply
    5,676.84x = 8,513.40 × 2,389.32
  4. Step 4: Simplify right side
    5,676.84x = 20,341,236.89
  5. Step 5: Solve for x
    x = 20,341,236.89/5,676.84
  6. Step 6: Final answer
    x = 3,583.20

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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.