Home / 8,962.25-13,431.26-3,412.57

Finding the Fourth Proportional to 8,962.25, 13,431.26 and 3,412.57

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Solution

The fourth proportional to 8,962.25, 13,431.26 and 3,412.57 is: 5,114.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962.25 : 13,431.26 = 3,412.57 : x
  2. Step 2: Convert to fraction form
    8,962.25/13,431.26 = 3,412.57/x
  3. Step 3: Cross multiply
    8,962.25x = 13,431.26 × 3,412.57
  4. Step 4: Simplify right side
    8,962.25x = 45,835,075.31
  5. Step 5: Solve for x
    x = 45,835,075.31/8,962.25
  6. Step 6: Final answer
    x = 5,114.24

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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.