Home / 8,339.19-12,509.65-2,717.29

Finding the Fourth Proportional to 8,339.19, 12,509.65 and 2,717.29

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Solution

The fourth proportional to 8,339.19, 12,509.65 and 2,717.29 is: 4,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.19 : 12,509.65 = 2,717.29 : x
  2. Step 2: Convert to fraction form
    8,339.19/12,509.65 = 2,717.29/x
  3. Step 3: Cross multiply
    8,339.19x = 12,509.65 × 2,717.29
  4. Step 4: Simplify right side
    8,339.19x = 33,992,389.34
  5. Step 5: Solve for x
    x = 33,992,389.34/8,339.19
  6. Step 6: Final answer
    x = 4,076.22

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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.