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Finding the Fourth Proportional to 8,979.12, 13,470.30 and 4,051.08

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Solution

The fourth proportional to 8,979.12, 13,470.30 and 4,051.08 is: 6,077.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.12 : 13,470.30 = 4,051.08 : x
  2. Step 2: Convert to fraction form
    8,979.12/13,470.30 = 4,051.08/x
  3. Step 3: Cross multiply
    8,979.12x = 13,470.30 × 4,051.08
  4. Step 4: Simplify right side
    8,979.12x = 54,569,262.92
  5. Step 5: Solve for x
    x = 54,569,262.92/8,979.12
  6. Step 6: Final answer
    x = 6,077.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.