Home / 6,514.28-8,986.90-4,391.18

Finding the Fourth Proportional to 6,514.28, 8,986.90 and 4,391.18

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Solution

The fourth proportional to 6,514.28, 8,986.90 and 4,391.18 is: 6,057.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.28 : 8,986.90 = 4,391.18 : x
  2. Step 2: Convert to fraction form
    6,514.28/8,986.90 = 4,391.18/x
  3. Step 3: Cross multiply
    6,514.28x = 8,986.90 × 4,391.18
  4. Step 4: Simplify right side
    6,514.28x = 39,463,095.54
  5. Step 5: Solve for x
    x = 39,463,095.54/6,514.28
  6. Step 6: Final answer
    x = 6,057.94

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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.