Home / 8,652.06-12,979.18-3,386.39

Finding the Fourth Proportional to 8,652.06, 12,979.18 and 3,386.39

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Solution

The fourth proportional to 8,652.06, 12,979.18 and 3,386.39 is: 5,080.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.06 : 12,979.18 = 3,386.39 : x
  2. Step 2: Convert to fraction form
    8,652.06/12,979.18 = 3,386.39/x
  3. Step 3: Cross multiply
    8,652.06x = 12,979.18 × 3,386.39
  4. Step 4: Simplify right side
    8,652.06x = 43,952,558.66
  5. Step 5: Solve for x
    x = 43,952,558.66/8,652.06
  6. Step 6: Final answer
    x = 5,080.01

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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.