Home / 4,639.78-6,959.68-2,176.34

Finding the Fourth Proportional to 4,639.78, 6,959.68 and 2,176.34

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Solution

The fourth proportional to 4,639.78, 6,959.68 and 2,176.34 is: 3,264.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.78 : 6,959.68 = 2,176.34 : x
  2. Step 2: Convert to fraction form
    4,639.78/6,959.68 = 2,176.34/x
  3. Step 3: Cross multiply
    4,639.78x = 6,959.68 × 2,176.34
  4. Step 4: Simplify right side
    4,639.78x = 15,146,629.97
  5. Step 5: Solve for x
    x = 15,146,629.97/4,639.78
  6. Step 6: Final answer
    x = 3,264.51

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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.