Home / 8,075.09-11,144.12-4,538.57

Finding the Fourth Proportional to 8,075.09, 11,144.12 and 4,538.57

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Solution

The fourth proportional to 8,075.09, 11,144.12 and 4,538.57 is: 6,263.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.09 : 11,144.12 = 4,538.57 : x
  2. Step 2: Convert to fraction form
    8,075.09/11,144.12 = 4,538.57/x
  3. Step 3: Cross multiply
    8,075.09x = 11,144.12 × 4,538.57
  4. Step 4: Simplify right side
    8,075.09x = 50,578,290.29
  5. Step 5: Solve for x
    x = 50,578,290.29/8,075.09
  6. Step 6: Final answer
    x = 6,263.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.