Home / 6,514.27-8,989.70-3,530.07

Finding the Fourth Proportional to 6,514.27, 8,989.70 and 3,530.07

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Solution

The fourth proportional to 6,514.27, 8,989.70 and 3,530.07 is: 4,871.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.27 : 8,989.70 = 3,530.07 : x
  2. Step 2: Convert to fraction form
    6,514.27/8,989.70 = 3,530.07/x
  3. Step 3: Cross multiply
    6,514.27x = 8,989.70 × 3,530.07
  4. Step 4: Simplify right side
    6,514.27x = 31,734,252.63
  5. Step 5: Solve for x
    x = 31,734,252.63/6,514.27
  6. Step 6: Final answer
    x = 4,871.50

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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.