Home / 7,528.24-11,287.32-2,905.84

Finding the Fourth Proportional to 7,528.24, 11,287.32 and 2,905.84

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Solution

The fourth proportional to 7,528.24, 11,287.32 and 2,905.84 is: 4,356.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.24 : 11,287.32 = 2,905.84 : x
  2. Step 2: Convert to fraction form
    7,528.24/11,287.32 = 2,905.84/x
  3. Step 3: Cross multiply
    7,528.24x = 11,287.32 × 2,905.84
  4. Step 4: Simplify right side
    7,528.24x = 32,799,145.95
  5. Step 5: Solve for x
    x = 32,799,145.95/7,528.24
  6. Step 6: Final answer
    x = 4,356.81

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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.