Home / 6,514.61-9,768.27-2,130.89

Finding the Fourth Proportional to 6,514.61, 9,768.27 and 2,130.89

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Solution

The fourth proportional to 6,514.61, 9,768.27 and 2,130.89 is: 3,195.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.61 : 9,768.27 = 2,130.89 : x
  2. Step 2: Convert to fraction form
    6,514.61/9,768.27 = 2,130.89/x
  3. Step 3: Cross multiply
    6,514.61x = 9,768.27 × 2,130.89
  4. Step 4: Simplify right side
    6,514.61x = 20,815,108.86
  5. Step 5: Solve for x
    x = 20,815,108.86/6,514.61
  6. Step 6: Final answer
    x = 3,195.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.