Home / 7,542.47-10,408.16-4,185.09

Finding the Fourth Proportional to 7,542.47, 10,408.16 and 4,185.09

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Solution

The fourth proportional to 7,542.47, 10,408.16 and 4,185.09 is: 5,775.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.47 : 10,408.16 = 4,185.09 : x
  2. Step 2: Convert to fraction form
    7,542.47/10,408.16 = 4,185.09/x
  3. Step 3: Cross multiply
    7,542.47x = 10,408.16 × 4,185.09
  4. Step 4: Simplify right side
    7,542.47x = 43,559,086.33
  5. Step 5: Solve for x
    x = 43,559,086.33/7,542.47
  6. Step 6: Final answer
    x = 5,775.18

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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.