Home / 8,971.94-13,439.36-5,262.99

Finding the Fourth Proportional to 8,971.94, 13,439.36 and 5,262.99

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Solution

The fourth proportional to 8,971.94, 13,439.36 and 5,262.99 is: 7,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.94 : 13,439.36 = 5,262.99 : x
  2. Step 2: Convert to fraction form
    8,971.94/13,439.36 = 5,262.99/x
  3. Step 3: Cross multiply
    8,971.94x = 13,439.36 × 5,262.99
  4. Step 4: Simplify right side
    8,971.94x = 70,731,190.97
  5. Step 5: Solve for x
    x = 70,731,190.97/8,971.94
  6. Step 6: Final answer
    x = 7,883.60

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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.