Home / 9,075.60-13,613.80-5,126.80

Finding the Fourth Proportional to 9,075.60, 13,613.80 and 5,126.80

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Solution

The fourth proportional to 9,075.60, 13,613.80 and 5,126.80 is: 7,690.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075.60 : 13,613.80 = 5,126.80 : x
  2. Step 2: Convert to fraction form
    9,075.60/13,613.80 = 5,126.80/x
  3. Step 3: Cross multiply
    9,075.60x = 13,613.80 × 5,126.80
  4. Step 4: Simplify right side
    9,075.60x = 69,795,229.84
  5. Step 5: Solve for x
    x = 69,795,229.84/9,075.60
  6. Step 6: Final answer
    x = 7,690.43

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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.