Home / 7,722.40-11,579.28-2,527.84

Finding the Fourth Proportional to 7,722.40, 11,579.28 and 2,527.84

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Solution

The fourth proportional to 7,722.40, 11,579.28 and 2,527.84 is: 3,790.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.40 : 11,579.28 = 2,527.84 : x
  2. Step 2: Convert to fraction form
    7,722.40/11,579.28 = 2,527.84/x
  3. Step 3: Cross multiply
    7,722.40x = 11,579.28 × 2,527.84
  4. Step 4: Simplify right side
    7,722.40x = 29,270,567.16
  5. Step 5: Solve for x
    x = 29,270,567.16/7,722.40
  6. Step 6: Final answer
    x = 3,790.35

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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.