Home / 7,005.05-9,666.94-3,861.24

Finding the Fourth Proportional to 7,005.05, 9,666.94 and 3,861.24

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Solution

The fourth proportional to 7,005.05, 9,666.94 and 3,861.24 is: 5,328.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.05 : 9,666.94 = 3,861.24 : x
  2. Step 2: Convert to fraction form
    7,005.05/9,666.94 = 3,861.24/x
  3. Step 3: Cross multiply
    7,005.05x = 9,666.94 × 3,861.24
  4. Step 4: Simplify right side
    7,005.05x = 37,326,375.41
  5. Step 5: Solve for x
    x = 37,326,375.41/7,005.05
  6. Step 6: Final answer
    x = 5,328.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.