Home / 7,352.36-11,006.66-4,421.78

Finding the Fourth Proportional to 7,352.36, 11,006.66 and 4,421.78

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Solution

The fourth proportional to 7,352.36, 11,006.66 and 4,421.78 is: 6,619.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.36 : 11,006.66 = 4,421.78 : x
  2. Step 2: Convert to fraction form
    7,352.36/11,006.66 = 4,421.78/x
  3. Step 3: Cross multiply
    7,352.36x = 11,006.66 × 4,421.78
  4. Step 4: Simplify right side
    7,352.36x = 48,669,029.05
  5. Step 5: Solve for x
    x = 48,669,029.05/7,352.36
  6. Step 6: Final answer
    x = 6,619.51

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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.