Home / 5,676.47-8,516.07-1,780.88

Finding the Fourth Proportional to 5,676.47, 8,516.07 and 1,780.88

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Solution

The fourth proportional to 5,676.47, 8,516.07 and 1,780.88 is: 2,671.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.47 : 8,516.07 = 1,780.88 : x
  2. Step 2: Convert to fraction form
    5,676.47/8,516.07 = 1,780.88/x
  3. Step 3: Cross multiply
    5,676.47x = 8,516.07 × 1,780.88
  4. Step 4: Simplify right side
    5,676.47x = 15,166,056.16
  5. Step 5: Solve for x
    x = 15,166,056.16/5,676.47
  6. Step 6: Final answer
    x = 2,671.74

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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.