Home / 4,855.30-6,702.59-3,176.78

Finding the Fourth Proportional to 4,855.30, 6,702.59 and 3,176.78

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Solution

The fourth proportional to 4,855.30, 6,702.59 and 3,176.78 is: 4,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.30 : 6,702.59 = 3,176.78 : x
  2. Step 2: Convert to fraction form
    4,855.30/6,702.59 = 3,176.78/x
  3. Step 3: Cross multiply
    4,855.30x = 6,702.59 × 3,176.78
  4. Step 4: Simplify right side
    4,855.30x = 21,292,628.29
  5. Step 5: Solve for x
    x = 21,292,628.29/4,855.30
  6. Step 6: Final answer
    x = 4,385.44

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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.