Home / 7,318.80-10,103.94-5,053.50

Finding the Fourth Proportional to 7,318.80, 10,103.94 and 5,053.50

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Solution

The fourth proportional to 7,318.80, 10,103.94 and 5,053.50 is: 6,976.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.80 : 10,103.94 = 5,053.50 : x
  2. Step 2: Convert to fraction form
    7,318.80/10,103.94 = 5,053.50/x
  3. Step 3: Cross multiply
    7,318.80x = 10,103.94 × 5,053.50
  4. Step 4: Simplify right side
    7,318.80x = 51,060,260.79
  5. Step 5: Solve for x
    x = 51,060,260.79/7,318.80
  6. Step 6: Final answer
    x = 6,976.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.