Home / 8,883.86-13,287.63-5,176.82

Finding the Fourth Proportional to 8,883.86, 13,287.63 and 5,176.82

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Solution

The fourth proportional to 8,883.86, 13,287.63 and 5,176.82 is: 7,742.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.86 : 13,287.63 = 5,176.82 : x
  2. Step 2: Convert to fraction form
    8,883.86/13,287.63 = 5,176.82/x
  3. Step 3: Cross multiply
    8,883.86x = 13,287.63 × 5,176.82
  4. Step 4: Simplify right side
    8,883.86x = 68,787,668.74
  5. Step 5: Solve for x
    x = 68,787,668.74/8,883.86
  6. Step 6: Final answer
    x = 7,742.99

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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.