Home / 8,650.80-12,974.58-5,184

Finding the Fourth Proportional to 8,650.80, 12,974.58 and 5,184

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Solution

The fourth proportional to 8,650.80, 12,974.58 and 5,184 is: 7,775.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.80 : 12,974.58 = 5,184 : x
  2. Step 2: Convert to fraction form
    8,650.80/12,974.58 = 5,184/x
  3. Step 3: Cross multiply
    8,650.80x = 12,974.58 × 5,184
  4. Step 4: Simplify right side
    8,650.80x = 67,260,222.72
  5. Step 5: Solve for x
    x = 67,260,222.72/8,650.80
  6. Step 6: Final answer
    x = 7,775.03

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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.