Home / 7,476.84-11,216.49-2,281.50

Finding the Fourth Proportional to 7,476.84, 11,216.49 and 2,281.50

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Solution

The fourth proportional to 7,476.84, 11,216.49 and 2,281.50 is: 3,422.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.84 : 11,216.49 = 2,281.50 : x
  2. Step 2: Convert to fraction form
    7,476.84/11,216.49 = 2,281.50/x
  3. Step 3: Cross multiply
    7,476.84x = 11,216.49 × 2,281.50
  4. Step 4: Simplify right side
    7,476.84x = 25,590,421.94
  5. Step 5: Solve for x
    x = 25,590,421.94/7,476.84
  6. Step 6: Final answer
    x = 3,422.63

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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.