Home / 7,445.09-11,167.02-2,179.68

Finding the Fourth Proportional to 7,445.09, 11,167.02 and 2,179.68

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Solution

The fourth proportional to 7,445.09, 11,167.02 and 2,179.68 is: 3,269.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.09 : 11,167.02 = 2,179.68 : x
  2. Step 2: Convert to fraction form
    7,445.09/11,167.02 = 2,179.68/x
  3. Step 3: Cross multiply
    7,445.09x = 11,167.02 × 2,179.68
  4. Step 4: Simplify right side
    7,445.09x = 24,340,530.15
  5. Step 5: Solve for x
    x = 24,340,530.15/7,445.09
  6. Step 6: Final answer
    x = 3,269.34

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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.