Home / 6,467.10-8,936.70-5,509.50

Finding the Fourth Proportional to 6,467.10, 8,936.70 and 5,509.50

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Solution

The fourth proportional to 6,467.10, 8,936.70 and 5,509.50 is: 7,613.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,467.10 : 8,936.70 = 5,509.50 : x
  2. Step 2: Convert to fraction form
    6,467.10/8,936.70 = 5,509.50/x
  3. Step 3: Cross multiply
    6,467.10x = 8,936.70 × 5,509.50
  4. Step 4: Simplify right side
    6,467.10x = 49,236,748.65
  5. Step 5: Solve for x
    x = 49,236,748.65/6,467.10
  6. Step 6: Final answer
    x = 7,613.42

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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.