Home / 6,514.30-8,989.73-3,530.13

Finding the Fourth Proportional to 6,514.30, 8,989.73 and 3,530.13

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Solution

The fourth proportional to 6,514.30, 8,989.73 and 3,530.13 is: 4,871.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.30 : 8,989.73 = 3,530.13 : x
  2. Step 2: Convert to fraction form
    6,514.30/8,989.73 = 3,530.13/x
  3. Step 3: Cross multiply
    6,514.30x = 8,989.73 × 3,530.13
  4. Step 4: Simplify right side
    6,514.30x = 31,734,915.56
  5. Step 5: Solve for x
    x = 31,734,915.56/6,514.30
  6. Step 6: Final answer
    x = 4,871.58

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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.