Home / 6,467.72-8,923.38-3,985.16

Finding the Fourth Proportional to 6,467.72, 8,923.38 and 3,985.16

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Solution

The fourth proportional to 6,467.72, 8,923.38 and 3,985.16 is: 5,498.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,467.72 : 8,923.38 = 3,985.16 : x
  2. Step 2: Convert to fraction form
    6,467.72/8,923.38 = 3,985.16/x
  3. Step 3: Cross multiply
    6,467.72x = 8,923.38 × 3,985.16
  4. Step 4: Simplify right side
    6,467.72x = 35,561,097.04
  5. Step 5: Solve for x
    x = 35,561,097.04/6,467.72
  6. Step 6: Final answer
    x = 5,498.24

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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.