Home / 7,898.08-11,839.79-2,970.98

Finding the Fourth Proportional to 7,898.08, 11,839.79 and 2,970.98

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Solution

The fourth proportional to 7,898.08, 11,839.79 and 2,970.98 is: 4,453.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.08 : 11,839.79 = 2,970.98 : x
  2. Step 2: Convert to fraction form
    7,898.08/11,839.79 = 2,970.98/x
  3. Step 3: Cross multiply
    7,898.08x = 11,839.79 × 2,970.98
  4. Step 4: Simplify right side
    7,898.08x = 35,175,816.32
  5. Step 5: Solve for x
    x = 35,175,816.32/7,898.08
  6. Step 6: Final answer
    x = 4,453.72

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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.