Home / 7,327.24-10,985.82-3,429.16

Finding the Fourth Proportional to 7,327.24, 10,985.82 and 3,429.16

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Solution

The fourth proportional to 7,327.24, 10,985.82 and 3,429.16 is: 5,141.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.24 : 10,985.82 = 3,429.16 : x
  2. Step 2: Convert to fraction form
    7,327.24/10,985.82 = 3,429.16/x
  3. Step 3: Cross multiply
    7,327.24x = 10,985.82 × 3,429.16
  4. Step 4: Simplify right side
    7,327.24x = 37,672,134.51
  5. Step 5: Solve for x
    x = 37,672,134.51/7,327.24
  6. Step 6: Final answer
    x = 5,141.38

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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.