Home / 7,261.39-10,021.26-4,075.06

Finding the Fourth Proportional to 7,261.39, 10,021.26 and 4,075.06

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Solution

The fourth proportional to 7,261.39, 10,021.26 and 4,075.06 is: 5,623.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.39 : 10,021.26 = 4,075.06 : x
  2. Step 2: Convert to fraction form
    7,261.39/10,021.26 = 4,075.06/x
  3. Step 3: Cross multiply
    7,261.39x = 10,021.26 × 4,075.06
  4. Step 4: Simplify right side
    7,261.39x = 40,837,235.78
  5. Step 5: Solve for x
    x = 40,837,235.78/7,261.39
  6. Step 6: Final answer
    x = 5,623.89

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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.