Home / 7,342.88-10,135.32-4,199.36

Finding the Fourth Proportional to 7,342.88, 10,135.32 and 4,199.36

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Solution

The fourth proportional to 7,342.88, 10,135.32 and 4,199.36 is: 5,796.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.88 : 10,135.32 = 4,199.36 : x
  2. Step 2: Convert to fraction form
    7,342.88/10,135.32 = 4,199.36/x
  3. Step 3: Cross multiply
    7,342.88x = 10,135.32 × 4,199.36
  4. Step 4: Simplify right side
    7,342.88x = 42,561,857.40
  5. Step 5: Solve for x
    x = 42,561,857.40/7,342.88
  6. Step 6: Final answer
    x = 5,796.34

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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.