Home / 5,103.57-7,042.41-3,424.65

Finding the Fourth Proportional to 5,103.57, 7,042.41 and 3,424.65

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Solution

The fourth proportional to 5,103.57, 7,042.41 and 3,424.65 is: 4,725.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.57 : 7,042.41 = 3,424.65 : x
  2. Step 2: Convert to fraction form
    5,103.57/7,042.41 = 3,424.65/x
  3. Step 3: Cross multiply
    5,103.57x = 7,042.41 × 3,424.65
  4. Step 4: Simplify right side
    5,103.57x = 24,117,789.41
  5. Step 5: Solve for x
    x = 24,117,789.41/5,103.57
  6. Step 6: Final answer
    x = 4,725.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.