Home / 8,743.94-13,117.36-3,479.00

Finding the Fourth Proportional to 8,743.94, 13,117.36 and 3,479.00

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Solution

The fourth proportional to 8,743.94, 13,117.36 and 3,479.00 is: 5,219.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.94 : 13,117.36 = 3,479.00 : x
  2. Step 2: Convert to fraction form
    8,743.94/13,117.36 = 3,479.00/x
  3. Step 3: Cross multiply
    8,743.94x = 13,117.36 × 3,479.00
  4. Step 4: Simplify right side
    8,743.94x = 45,635,212.46
  5. Step 5: Solve for x
    x = 45,635,212.46/8,743.94
  6. Step 6: Final answer
    x = 5,219.07

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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.