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Finding the Fourth Proportional to 7,588.88, 11,384.28 and 2,971.28

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Solution

The fourth proportional to 7,588.88, 11,384.28 and 2,971.28 is: 4,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,588.88 : 11,384.28 = 2,971.28 : x
  2. Step 2: Convert to fraction form
    7,588.88/11,384.28 = 2,971.28/x
  3. Step 3: Cross multiply
    7,588.88x = 11,384.28 × 2,971.28
  4. Step 4: Simplify right side
    7,588.88x = 33,825,883.48
  5. Step 5: Solve for x
    x = 33,825,883.48/7,588.88
  6. Step 6: Final answer
    x = 4,457.30

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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.