Home / 5,676.47-8,516.76-2,904.45

Finding the Fourth Proportional to 5,676.47, 8,516.76 and 2,904.45

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Solution

The fourth proportional to 5,676.47, 8,516.76 and 2,904.45 is: 4,357.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.47 : 8,516.76 = 2,904.45 : x
  2. Step 2: Convert to fraction form
    5,676.47/8,516.76 = 2,904.45/x
  3. Step 3: Cross multiply
    5,676.47x = 8,516.76 × 2,904.45
  4. Step 4: Simplify right side
    5,676.47x = 24,736,503.58
  5. Step 5: Solve for x
    x = 24,736,503.58/5,676.47
  6. Step 6: Final answer
    x = 4,357.72

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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.