Home / 7,942.59-11,913.21-3,558.87

Finding the Fourth Proportional to 7,942.59, 11,913.21 and 3,558.87

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Solution

The fourth proportional to 7,942.59, 11,913.21 and 3,558.87 is: 5,338.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.59 : 11,913.21 = 3,558.87 : x
  2. Step 2: Convert to fraction form
    7,942.59/11,913.21 = 3,558.87/x
  3. Step 3: Cross multiply
    7,942.59x = 11,913.21 × 3,558.87
  4. Step 4: Simplify right side
    7,942.59x = 42,397,565.67
  5. Step 5: Solve for x
    x = 42,397,565.67/7,942.59
  6. Step 6: Final answer
    x = 5,338.00

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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.