Home / 4,721.98-6,517.70-3,150.07

Finding the Fourth Proportional to 4,721.98, 6,517.70 and 3,150.07

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Solution

The fourth proportional to 4,721.98, 6,517.70 and 3,150.07 is: 4,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.98 : 6,517.70 = 3,150.07 : x
  2. Step 2: Convert to fraction form
    4,721.98/6,517.70 = 3,150.07/x
  3. Step 3: Cross multiply
    4,721.98x = 6,517.70 × 3,150.07
  4. Step 4: Simplify right side
    4,721.98x = 20,531,202.82
  5. Step 5: Solve for x
    x = 20,531,202.82/4,721.98
  6. Step 6: Final answer
    x = 4,348.01

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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.