Home / 6,458.20-9,665.70-4,514.20

Finding the Fourth Proportional to 6,458.20, 9,665.70 and 4,514.20

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Solution

The fourth proportional to 6,458.20, 9,665.70 and 4,514.20 is: 6,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.20 : 9,665.70 = 4,514.20 : x
  2. Step 2: Convert to fraction form
    6,458.20/9,665.70 = 4,514.20/x
  3. Step 3: Cross multiply
    6,458.20x = 9,665.70 × 4,514.20
  4. Step 4: Simplify right side
    6,458.20x = 43,632,902.94
  5. Step 5: Solve for x
    x = 43,632,902.94/6,458.20
  6. Step 6: Final answer
    x = 6,756.20

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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.