Home / 8,979.14-13,470.96-5,284.46

Finding the Fourth Proportional to 8,979.14, 13,470.96 and 5,284.46

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Solution

The fourth proportional to 8,979.14, 13,470.96 and 5,284.46 is: 7,928.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.14 : 13,470.96 = 5,284.46 : x
  2. Step 2: Convert to fraction form
    8,979.14/13,470.96 = 5,284.46/x
  3. Step 3: Cross multiply
    8,979.14x = 13,470.96 × 5,284.46
  4. Step 4: Simplify right side
    8,979.14x = 71,186,749.28
  5. Step 5: Solve for x
    x = 71,186,749.28/8,979.14
  6. Step 6: Final answer
    x = 7,928.01

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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.