Home / 4,065.98-5,611.01-2,387.09

Finding the Fourth Proportional to 4,065.98, 5,611.01 and 2,387.09

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Solution

The fourth proportional to 4,065.98, 5,611.01 and 2,387.09 is: 3,294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,065.98 : 5,611.01 = 2,387.09 : x
  2. Step 2: Convert to fraction form
    4,065.98/5,611.01 = 2,387.09/x
  3. Step 3: Cross multiply
    4,065.98x = 5,611.01 × 2,387.09
  4. Step 4: Simplify right side
    4,065.98x = 13,393,945.87
  5. Step 5: Solve for x
    x = 13,393,945.87/4,065.98
  6. Step 6: Final answer
    x = 3,294.15

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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.