Home / 9,315.30-13,974.65-3,075.73

Finding the Fourth Proportional to 9,315.30, 13,974.65 and 3,075.73

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Solution

The fourth proportional to 9,315.30, 13,974.65 and 3,075.73 is: 4,614.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.30 : 13,974.65 = 3,075.73 : x
  2. Step 2: Convert to fraction form
    9,315.30/13,974.65 = 3,075.73/x
  3. Step 3: Cross multiply
    9,315.30x = 13,974.65 × 3,075.73
  4. Step 4: Simplify right side
    9,315.30x = 42,982,257.93
  5. Step 5: Solve for x
    x = 42,982,257.93/9,315.30
  6. Step 6: Final answer
    x = 4,614.16

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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.