Home / 8,748.64-13,128.44-5,828.99

Finding the Fourth Proportional to 8,748.64, 13,128.44 and 5,828.99

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Solution

The fourth proportional to 8,748.64, 13,128.44 and 5,828.99 is: 8,747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.64 : 13,128.44 = 5,828.99 : x
  2. Step 2: Convert to fraction form
    8,748.64/13,128.44 = 5,828.99/x
  3. Step 3: Cross multiply
    8,748.64x = 13,128.44 × 5,828.99
  4. Step 4: Simplify right side
    8,748.64x = 76,525,549.15
  5. Step 5: Solve for x
    x = 76,525,549.15/8,748.64
  6. Step 6: Final answer
    x = 8,747.14

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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.