Home / 7,884.60-11,815.77-4,376.16

Finding the Fourth Proportional to 7,884.60, 11,815.77 and 4,376.16

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Solution

The fourth proportional to 7,884.60, 11,815.77 and 4,376.16 is: 6,558.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.60 : 11,815.77 = 4,376.16 : x
  2. Step 2: Convert to fraction form
    7,884.60/11,815.77 = 4,376.16/x
  3. Step 3: Cross multiply
    7,884.60x = 11,815.77 × 4,376.16
  4. Step 4: Simplify right side
    7,884.60x = 51,707,700.04
  5. Step 5: Solve for x
    x = 51,707,700.04/7,884.60
  6. Step 6: Final answer
    x = 6,558.06

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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.