Home / 7,406.91-11,112.53-4,326.75

Finding the Fourth Proportional to 7,406.91, 11,112.53 and 4,326.75

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Solution

The fourth proportional to 7,406.91, 11,112.53 and 4,326.75 is: 6,491.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.91 : 11,112.53 = 4,326.75 : x
  2. Step 2: Convert to fraction form
    7,406.91/11,112.53 = 4,326.75/x
  3. Step 3: Cross multiply
    7,406.91x = 11,112.53 × 4,326.75
  4. Step 4: Simplify right side
    7,406.91x = 48,081,117.54
  5. Step 5: Solve for x
    x = 48,081,117.54/7,406.91
  6. Step 6: Final answer
    x = 6,491.39

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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.