Home / 7,820.33-10,789.38-4,460.73

Finding the Fourth Proportional to 7,820.33, 10,789.38 and 4,460.73

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Solution

The fourth proportional to 7,820.33, 10,789.38 and 4,460.73 is: 6,154.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.33 : 10,789.38 = 4,460.73 : x
  2. Step 2: Convert to fraction form
    7,820.33/10,789.38 = 4,460.73/x
  3. Step 3: Cross multiply
    7,820.33x = 10,789.38 × 4,460.73
  4. Step 4: Simplify right side
    7,820.33x = 48,128,511.05
  5. Step 5: Solve for x
    x = 48,128,511.05/7,820.33
  6. Step 6: Final answer
    x = 6,154.28

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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.