Home / 7,342.42-11,006.24-4,221.49

Finding the Fourth Proportional to 7,342.42, 11,006.24 and 4,221.49

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Solution

The fourth proportional to 7,342.42, 11,006.24 and 4,221.49 is: 6,327.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.42 : 11,006.24 = 4,221.49 : x
  2. Step 2: Convert to fraction form
    7,342.42/11,006.24 = 4,221.49/x
  3. Step 3: Cross multiply
    7,342.42x = 11,006.24 × 4,221.49
  4. Step 4: Simplify right side
    7,342.42x = 46,462,732.10
  5. Step 5: Solve for x
    x = 46,462,732.10/7,342.42
  6. Step 6: Final answer
    x = 6,327.99

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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.