Home / 7,447.02-11,170.80-2,516.82

Finding the Fourth Proportional to 7,447.02, 11,170.80 and 2,516.82

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Solution

The fourth proportional to 7,447.02, 11,170.80 and 2,516.82 is: 3,775.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.02 : 11,170.80 = 2,516.82 : x
  2. Step 2: Convert to fraction form
    7,447.02/11,170.80 = 2,516.82/x
  3. Step 3: Cross multiply
    7,447.02x = 11,170.80 × 2,516.82
  4. Step 4: Simplify right side
    7,447.02x = 28,114,892.86
  5. Step 5: Solve for x
    x = 28,114,892.86/7,447.02
  6. Step 6: Final answer
    x = 3,775.32

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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.