Home / 8,789.93-13,176.41-3,240.23

Finding the Fourth Proportional to 8,789.93, 13,176.41 and 3,240.23

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Solution

The fourth proportional to 8,789.93, 13,176.41 and 3,240.23 is: 4,857.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.93 : 13,176.41 = 3,240.23 : x
  2. Step 2: Convert to fraction form
    8,789.93/13,176.41 = 3,240.23/x
  3. Step 3: Cross multiply
    8,789.93x = 13,176.41 × 3,240.23
  4. Step 4: Simplify right side
    8,789.93x = 42,694,615.71
  5. Step 5: Solve for x
    x = 42,694,615.71/8,789.93
  6. Step 6: Final answer
    x = 4,857.22

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1.5x scale

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.