Home / 4,702.50-7,054.16-1,239.75

Finding the Fourth Proportional to 4,702.50, 7,054.16 and 1,239.75

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Solution

The fourth proportional to 4,702.50, 7,054.16 and 1,239.75 is: 1,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.50 : 7,054.16 = 1,239.75 : x
  2. Step 2: Convert to fraction form
    4,702.50/7,054.16 = 1,239.75/x
  3. Step 3: Cross multiply
    4,702.50x = 7,054.16 × 1,239.75
  4. Step 4: Simplify right side
    4,702.50x = 8,745,388.66
  5. Step 5: Solve for x
    x = 8,745,388.66/4,702.50
  6. Step 6: Final answer
    x = 1,859.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.