Home / 7,979.72-11,970.38-3,053.50

Finding the Fourth Proportional to 7,979.72, 11,970.38 and 3,053.50

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Solution

The fourth proportional to 7,979.72, 11,970.38 and 3,053.50 is: 4,580.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.72 : 11,970.38 = 3,053.50 : x
  2. Step 2: Convert to fraction form
    7,979.72/11,970.38 = 3,053.50/x
  3. Step 3: Cross multiply
    7,979.72x = 11,970.38 × 3,053.50
  4. Step 4: Simplify right side
    7,979.72x = 36,551,533.04
  5. Step 5: Solve for x
    x = 36,551,533.04/7,979.72
  6. Step 6: Final answer
    x = 4,580.56

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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.