Home / 7,619.70-10,514.82-4,788.54

Finding the Fourth Proportional to 7,619.70, 10,514.82 and 4,788.54

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Solution

The fourth proportional to 7,619.70, 10,514.82 and 4,788.54 is: 6,607.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.70 : 10,514.82 = 4,788.54 : x
  2. Step 2: Convert to fraction form
    7,619.70/10,514.82 = 4,788.54/x
  3. Step 3: Cross multiply
    7,619.70x = 10,514.82 × 4,788.54
  4. Step 4: Simplify right side
    7,619.70x = 50,350,636.16
  5. Step 5: Solve for x
    x = 50,350,636.16/7,619.70
  6. Step 6: Final answer
    x = 6,607.96

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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.