Home / 4,672.98-6,448.59-2,785.46

Finding the Fourth Proportional to 4,672.98, 6,448.59 and 2,785.46

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Solution

The fourth proportional to 4,672.98, 6,448.59 and 2,785.46 is: 3,843.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.98 : 6,448.59 = 2,785.46 : x
  2. Step 2: Convert to fraction form
    4,672.98/6,448.59 = 2,785.46/x
  3. Step 3: Cross multiply
    4,672.98x = 6,448.59 × 2,785.46
  4. Step 4: Simplify right side
    4,672.98x = 17,962,257.26
  5. Step 5: Solve for x
    x = 17,962,257.26/4,672.98
  6. Step 6: Final answer
    x = 3,843.85

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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.