Home / 6,514.44-8,989.92-3,530.22

Finding the Fourth Proportional to 6,514.44, 8,989.92 and 3,530.22

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Solution

The fourth proportional to 6,514.44, 8,989.92 and 3,530.22 is: 4,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.44 : 8,989.92 = 3,530.22 : x
  2. Step 2: Convert to fraction form
    6,514.44/8,989.92 = 3,530.22/x
  3. Step 3: Cross multiply
    6,514.44x = 8,989.92 × 3,530.22
  4. Step 4: Simplify right side
    6,514.44x = 31,736,395.38
  5. Step 5: Solve for x
    x = 31,736,395.38/6,514.44
  6. Step 6: Final answer
    x = 4,871.70

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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.