Home / 6,514.14-8,989.47-3,529.92

Finding the Fourth Proportional to 6,514.14, 8,989.47 and 3,529.92

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Solution

The fourth proportional to 6,514.14, 8,989.47 and 3,529.92 is: 4,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.14 : 8,989.47 = 3,529.92 : x
  2. Step 2: Convert to fraction form
    6,514.14/8,989.47 = 3,529.92/x
  3. Step 3: Cross multiply
    6,514.14x = 8,989.47 × 3,529.92
  4. Step 4: Simplify right side
    6,514.14x = 31,732,109.94
  5. Step 5: Solve for x
    x = 31,732,109.94/6,514.14
  6. Step 6: Final answer
    x = 4,871.27

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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.