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Finding the Fourth Proportional to 7,854.98, 11,780.64 and 3,470.04

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Solution

The fourth proportional to 7,854.98, 11,780.64 and 3,470.04 is: 5,204.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.98 : 11,780.64 = 3,470.04 : x
  2. Step 2: Convert to fraction form
    7,854.98/11,780.64 = 3,470.04/x
  3. Step 3: Cross multiply
    7,854.98x = 11,780.64 × 3,470.04
  4. Step 4: Simplify right side
    7,854.98x = 40,879,292.03
  5. Step 5: Solve for x
    x = 40,879,292.03/7,854.98
  6. Step 6: Final answer
    x = 5,204.25

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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.