Home / 6,857.78-10,283.60-2,176.92

Finding the Fourth Proportional to 6,857.78, 10,283.60 and 2,176.92

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Solution

The fourth proportional to 6,857.78, 10,283.60 and 2,176.92 is: 3,264.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.78 : 10,283.60 = 2,176.92 : x
  2. Step 2: Convert to fraction form
    6,857.78/10,283.60 = 2,176.92/x
  3. Step 3: Cross multiply
    6,857.78x = 10,283.60 × 2,176.92
  4. Step 4: Simplify right side
    6,857.78x = 22,386,579.95
  5. Step 5: Solve for x
    x = 22,386,579.95/6,857.78
  6. Step 6: Final answer
    x = 3,264.41

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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.