Home / 4,702.10-6,485.81-3,020.85

Finding the Fourth Proportional to 4,702.10, 6,485.81 and 3,020.85

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Solution

The fourth proportional to 4,702.10, 6,485.81 and 3,020.85 is: 4,166.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.10 : 6,485.81 = 3,020.85 : x
  2. Step 2: Convert to fraction form
    4,702.10/6,485.81 = 3,020.85/x
  3. Step 3: Cross multiply
    4,702.10x = 6,485.81 × 3,020.85
  4. Step 4: Simplify right side
    4,702.10x = 19,592,644.03
  5. Step 5: Solve for x
    x = 19,592,644.03/4,702.10
  6. Step 6: Final answer
    x = 4,166.79

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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.