Home / 8,639.45-12,959.24-3,704.93

Finding the Fourth Proportional to 8,639.45, 12,959.24 and 3,704.93

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Solution

The fourth proportional to 8,639.45, 12,959.24 and 3,704.93 is: 5,557.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639.45 : 12,959.24 = 3,704.93 : x
  2. Step 2: Convert to fraction form
    8,639.45/12,959.24 = 3,704.93/x
  3. Step 3: Cross multiply
    8,639.45x = 12,959.24 × 3,704.93
  4. Step 4: Simplify right side
    8,639.45x = 48,013,077.05
  5. Step 5: Solve for x
    x = 48,013,077.05/8,639.45
  6. Step 6: Final answer
    x = 5,557.42

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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.