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Finding the Fourth Proportional to 8,020.88, 12,075.90 and 6,949.25

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Solution

The fourth proportional to 8,020.88, 12,075.90 and 6,949.25 is: 10,462.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.88 : 12,075.90 = 6,949.25 : x
  2. Step 2: Convert to fraction form
    8,020.88/12,075.90 = 6,949.25/x
  3. Step 3: Cross multiply
    8,020.88x = 12,075.90 × 6,949.25
  4. Step 4: Simplify right side
    8,020.88x = 83,918,448.08
  5. Step 5: Solve for x
    x = 83,918,448.08/8,020.88
  6. Step 6: Final answer
    x = 10,462.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.