Home / 4,095.78-5,650.38-2,769

Finding the Fourth Proportional to 4,095.78, 5,650.38 and 2,769

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Solution

The fourth proportional to 4,095.78, 5,650.38 and 2,769 is: 3,820.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,095.78 : 5,650.38 = 2,769 : x
  2. Step 2: Convert to fraction form
    4,095.78/5,650.38 = 2,769/x
  3. Step 3: Cross multiply
    4,095.78x = 5,650.38 × 2,769
  4. Step 4: Simplify right side
    4,095.78x = 15,645,902.22
  5. Step 5: Solve for x
    x = 15,645,902.22/4,095.78
  6. Step 6: Final answer
    x = 3,820.01

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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.