Home / 4,951.35-7,427.73-1,665.38

Finding the Fourth Proportional to 4,951.35, 7,427.73 and 1,665.38

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Solution

The fourth proportional to 4,951.35, 7,427.73 and 1,665.38 is: 2,498.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.35 : 7,427.73 = 1,665.38 : x
  2. Step 2: Convert to fraction form
    4,951.35/7,427.73 = 1,665.38/x
  3. Step 3: Cross multiply
    4,951.35x = 7,427.73 × 1,665.38
  4. Step 4: Simplify right side
    4,951.35x = 12,370,017.80
  5. Step 5: Solve for x
    x = 12,370,017.80/4,951.35
  6. Step 6: Final answer
    x = 2,498.31

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1.5x scale

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.