Home / 7,489.41-11,235.24-2,421.91

Finding the Fourth Proportional to 7,489.41, 11,235.24 and 2,421.91

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Solution

The fourth proportional to 7,489.41, 11,235.24 and 2,421.91 is: 3,633.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.41 : 11,235.24 = 2,421.91 : x
  2. Step 2: Convert to fraction form
    7,489.41/11,235.24 = 2,421.91/x
  3. Step 3: Cross multiply
    7,489.41x = 11,235.24 × 2,421.91
  4. Step 4: Simplify right side
    7,489.41x = 27,210,740.11
  5. Step 5: Solve for x
    x = 27,210,740.11/7,489.41
  6. Step 6: Final answer
    x = 3,633.23

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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.