Home / 7,942.60-11,913.06-3,263.10

Finding the Fourth Proportional to 7,942.60, 11,913.06 and 3,263.10

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Solution

The fourth proportional to 7,942.60, 11,913.06 and 3,263.10 is: 4,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.60 : 11,913.06 = 3,263.10 : x
  2. Step 2: Convert to fraction form
    7,942.60/11,913.06 = 3,263.10/x
  3. Step 3: Cross multiply
    7,942.60x = 11,913.06 × 3,263.10
  4. Step 4: Simplify right side
    7,942.60x = 38,873,506.09
  5. Step 5: Solve for x
    x = 38,873,506.09/7,942.60
  6. Step 6: Final answer
    x = 4,894.30

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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.