Home / 6,514.52-8,990.34-4,628.12

Finding the Fourth Proportional to 6,514.52, 8,990.34 and 4,628.12

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Solution

The fourth proportional to 6,514.52, 8,990.34 and 4,628.12 is: 6,387.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.52 : 8,990.34 = 4,628.12 : x
  2. Step 2: Convert to fraction form
    6,514.52/8,990.34 = 4,628.12/x
  3. Step 3: Cross multiply
    6,514.52x = 8,990.34 × 4,628.12
  4. Step 4: Simplify right side
    6,514.52x = 41,608,372.36
  5. Step 5: Solve for x
    x = 41,608,372.36/6,514.52
  6. Step 6: Final answer
    x = 6,387.02

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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.