Home / 7,445.15-11,168.94-2,515.09

Finding the Fourth Proportional to 7,445.15, 11,168.94 and 2,515.09

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Solution

The fourth proportional to 7,445.15, 11,168.94 and 2,515.09 is: 3,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.15 : 11,168.94 = 2,515.09 : x
  2. Step 2: Convert to fraction form
    7,445.15/11,168.94 = 2,515.09/x
  3. Step 3: Cross multiply
    7,445.15x = 11,168.94 × 2,515.09
  4. Step 4: Simplify right side
    7,445.15x = 28,090,889.30
  5. Step 5: Solve for x
    x = 28,090,889.30/7,445.15
  6. Step 6: Final answer
    x = 3,773.05

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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.