Home / 4,680.30-6,456.62-2,790.82

Finding the Fourth Proportional to 4,680.30, 6,456.62 and 2,790.82

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Solution

The fourth proportional to 4,680.30, 6,456.62 and 2,790.82 is: 3,850.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.30 : 6,456.62 = 2,790.82 : x
  2. Step 2: Convert to fraction form
    4,680.30/6,456.62 = 2,790.82/x
  3. Step 3: Cross multiply
    4,680.30x = 6,456.62 × 2,790.82
  4. Step 4: Simplify right side
    4,680.30x = 18,019,264.23
  5. Step 5: Solve for x
    x = 18,019,264.23/4,680.30
  6. Step 6: Final answer
    x = 3,850.02

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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.