Home / 7,935.88-11,911.18-4,043.20

Finding the Fourth Proportional to 7,935.88, 11,911.18 and 4,043.20

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Solution

The fourth proportional to 7,935.88, 11,911.18 and 4,043.20 is: 6,068.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.88 : 11,911.18 = 4,043.20 : x
  2. Step 2: Convert to fraction form
    7,935.88/11,911.18 = 4,043.20/x
  3. Step 3: Cross multiply
    7,935.88x = 11,911.18 × 4,043.20
  4. Step 4: Simplify right side
    7,935.88x = 48,159,282.98
  5. Step 5: Solve for x
    x = 48,159,282.98/7,935.88
  6. Step 6: Final answer
    x = 6,068.55

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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.