Home / 4,971.30-7,455.15-2,505.30

Finding the Fourth Proportional to 4,971.30, 7,455.15 and 2,505.30

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Solution

The fourth proportional to 4,971.30, 7,455.15 and 2,505.30 is: 3,757.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.30 : 7,455.15 = 2,505.30 : x
  2. Step 2: Convert to fraction form
    4,971.30/7,455.15 = 2,505.30/x
  3. Step 3: Cross multiply
    4,971.30x = 7,455.15 × 2,505.30
  4. Step 4: Simplify right side
    4,971.30x = 18,677,387.30
  5. Step 5: Solve for x
    x = 18,677,387.30/4,971.30
  6. Step 6: Final answer
    x = 3,757.04

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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.