Home / 7,892.49-11,838.83-2,345.70

Finding the Fourth Proportional to 7,892.49, 11,838.83 and 2,345.70

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Solution

The fourth proportional to 7,892.49, 11,838.83 and 2,345.70 is: 3,518.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892.49 : 11,838.83 = 2,345.70 : x
  2. Step 2: Convert to fraction form
    7,892.49/11,838.83 = 2,345.70/x
  3. Step 3: Cross multiply
    7,892.49x = 11,838.83 × 2,345.70
  4. Step 4: Simplify right side
    7,892.49x = 27,770,343.53
  5. Step 5: Solve for x
    x = 27,770,343.53/7,892.49
  6. Step 6: Final answer
    x = 3,518.58

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1.5x scale

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.