Home / 7,914.52-11,870.88-2,983.68

Finding the Fourth Proportional to 7,914.52, 11,870.88 and 2,983.68

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Solution

The fourth proportional to 7,914.52, 11,870.88 and 2,983.68 is: 4,475.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.52 : 11,870.88 = 2,983.68 : x
  2. Step 2: Convert to fraction form
    7,914.52/11,870.88 = 2,983.68/x
  3. Step 3: Cross multiply
    7,914.52x = 11,870.88 × 2,983.68
  4. Step 4: Simplify right side
    7,914.52x = 35,418,907.24
  5. Step 5: Solve for x
    x = 35,418,907.24/7,914.52
  6. Step 6: Final answer
    x = 4,475.18

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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.