Home / 4,774.80-6,589.16-2,678.88

Finding the Fourth Proportional to 4,774.80, 6,589.16 and 2,678.88

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Solution

The fourth proportional to 4,774.80, 6,589.16 and 2,678.88 is: 3,696.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774.80 : 6,589.16 = 2,678.88 : x
  2. Step 2: Convert to fraction form
    4,774.80/6,589.16 = 2,678.88/x
  3. Step 3: Cross multiply
    4,774.80x = 6,589.16 × 2,678.88
  4. Step 4: Simplify right side
    4,774.80x = 17,651,568.94
  5. Step 5: Solve for x
    x = 17,651,568.94/4,774.80
  6. Step 6: Final answer
    x = 3,696.82

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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.