Home / 6,867.98-10,302.62-1,870.41

Finding the Fourth Proportional to 6,867.98, 10,302.62 and 1,870.41

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Solution

The fourth proportional to 6,867.98, 10,302.62 and 1,870.41 is: 2,805.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867.98 : 10,302.62 = 1,870.41 : x
  2. Step 2: Convert to fraction form
    6,867.98/10,302.62 = 1,870.41/x
  3. Step 3: Cross multiply
    6,867.98x = 10,302.62 × 1,870.41
  4. Step 4: Simplify right side
    6,867.98x = 19,270,114.12
  5. Step 5: Solve for x
    x = 19,270,114.12/6,867.98
  6. Step 6: Final answer
    x = 2,805.79

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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.