Home / 6,129.32-9,179.51-2,999.48

Finding the Fourth Proportional to 6,129.32, 9,179.51 and 2,999.48

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Solution

The fourth proportional to 6,129.32, 9,179.51 and 2,999.48 is: 4,492.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.32 : 9,179.51 = 2,999.48 : x
  2. Step 2: Convert to fraction form
    6,129.32/9,179.51 = 2,999.48/x
  3. Step 3: Cross multiply
    6,129.32x = 9,179.51 × 2,999.48
  4. Step 4: Simplify right side
    6,129.32x = 27,533,695.76
  5. Step 5: Solve for x
    x = 27,533,695.76/6,129.32
  6. Step 6: Final answer
    x = 4,492.13

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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.