Home / 9,314.40-13,974.04-3,075.36

Finding the Fourth Proportional to 9,314.40, 13,974.04 and 3,075.36

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Solution

The fourth proportional to 9,314.40, 13,974.04 and 3,075.36 is: 4,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,314.40 : 13,974.04 = 3,075.36 : x
  2. Step 2: Convert to fraction form
    9,314.40/13,974.04 = 3,075.36/x
  3. Step 3: Cross multiply
    9,314.40x = 13,974.04 × 3,075.36
  4. Step 4: Simplify right side
    9,314.40x = 42,975,203.65
  5. Step 5: Solve for x
    x = 42,975,203.65/9,314.40
  6. Step 6: Final answer
    x = 4,613.85

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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.