Home / 4,702.85-6,485.78-2,910.04

Finding the Fourth Proportional to 4,702.85, 6,485.78 and 2,910.04

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Solution

The fourth proportional to 4,702.85, 6,485.78 and 2,910.04 is: 4,013.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.85 : 6,485.78 = 2,910.04 : x
  2. Step 2: Convert to fraction form
    4,702.85/6,485.78 = 2,910.04/x
  3. Step 3: Cross multiply
    4,702.85x = 6,485.78 × 2,910.04
  4. Step 4: Simplify right side
    4,702.85x = 18,873,879.23
  5. Step 5: Solve for x
    x = 18,873,879.23/4,702.85
  6. Step 6: Final answer
    x = 4,013.29

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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.