Home / 8,699.19-13,048.32-3,076.47

Finding the Fourth Proportional to 8,699.19, 13,048.32 and 3,076.47

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Solution

The fourth proportional to 8,699.19, 13,048.32 and 3,076.47 is: 4,614.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699.19 : 13,048.32 = 3,076.47 : x
  2. Step 2: Convert to fraction form
    8,699.19/13,048.32 = 3,076.47/x
  3. Step 3: Cross multiply
    8,699.19x = 13,048.32 × 3,076.47
  4. Step 4: Simplify right side
    8,699.19x = 40,142,765.03
  5. Step 5: Solve for x
    x = 40,142,765.03/8,699.19
  6. Step 6: Final answer
    x = 4,614.54

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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.