Home / 6,253.31-9,381.44-1,870.90

Finding the Fourth Proportional to 6,253.31, 9,381.44 and 1,870.90

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Solution

The fourth proportional to 6,253.31, 9,381.44 and 1,870.90 is: 2,806.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,253.31 : 9,381.44 = 1,870.90 : x
  2. Step 2: Convert to fraction form
    6,253.31/9,381.44 = 1,870.90/x
  3. Step 3: Cross multiply
    6,253.31x = 9,381.44 × 1,870.90
  4. Step 4: Simplify right side
    6,253.31x = 17,551,736.10
  5. Step 5: Solve for x
    x = 17,551,736.10/6,253.31
  6. Step 6: Final answer
    x = 2,806.79

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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.