Home / 8,979.42-13,470.03-3,713.34

Finding the Fourth Proportional to 8,979.42, 13,470.03 and 3,713.34

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Solution

The fourth proportional to 8,979.42, 13,470.03 and 3,713.34 is: 5,570.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.42 : 13,470.03 = 3,713.34 : x
  2. Step 2: Convert to fraction form
    8,979.42/13,470.03 = 3,713.34/x
  3. Step 3: Cross multiply
    8,979.42x = 13,470.03 × 3,713.34
  4. Step 4: Simplify right side
    8,979.42x = 50,018,801.20
  5. Step 5: Solve for x
    x = 50,018,801.20/8,979.42
  6. Step 6: Final answer
    x = 5,570.38

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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.