Home / 6,514.02-8,989.26-3,529.80

Finding the Fourth Proportional to 6,514.02, 8,989.26 and 3,529.80

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Solution

The fourth proportional to 6,514.02, 8,989.26 and 3,529.80 is: 4,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.02 : 8,989.26 = 3,529.80 : x
  2. Step 2: Convert to fraction form
    6,514.02/8,989.26 = 3,529.80/x
  3. Step 3: Cross multiply
    6,514.02x = 8,989.26 × 3,529.80
  4. Step 4: Simplify right side
    6,514.02x = 31,730,289.95
  5. Step 5: Solve for x
    x = 31,730,289.95/6,514.02
  6. Step 6: Final answer
    x = 4,871.08

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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.