Home / 8,999.82-13,495.56-3,075.12

Finding the Fourth Proportional to 8,999.82, 13,495.56 and 3,075.12

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Solution

The fourth proportional to 8,999.82, 13,495.56 and 3,075.12 is: 4,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.82 : 13,495.56 = 3,075.12 : x
  2. Step 2: Convert to fraction form
    8,999.82/13,495.56 = 3,075.12/x
  3. Step 3: Cross multiply
    8,999.82x = 13,495.56 × 3,075.12
  4. Step 4: Simplify right side
    8,999.82x = 41,500,466.47
  5. Step 5: Solve for x
    x = 41,500,466.47/8,999.82
  6. Step 6: Final answer
    x = 4,611.26

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1.5x scale

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.