Home / 7,112.08-10,668.28-4,192.48

Finding the Fourth Proportional to 7,112.08, 10,668.28 and 4,192.48

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Solution

The fourth proportional to 7,112.08, 10,668.28 and 4,192.48 is: 6,288.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.08 : 10,668.28 = 4,192.48 : x
  2. Step 2: Convert to fraction form
    7,112.08/10,668.28 = 4,192.48/x
  3. Step 3: Cross multiply
    7,112.08x = 10,668.28 × 4,192.48
  4. Step 4: Simplify right side
    7,112.08x = 44,726,550.53
  5. Step 5: Solve for x
    x = 44,726,550.53/7,112.08
  6. Step 6: Final answer
    x = 6,288.81

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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.