Home / 6,971.85-10,455.28-2,528.39

Finding the Fourth Proportional to 6,971.85, 10,455.28 and 2,528.39

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Solution

The fourth proportional to 6,971.85, 10,455.28 and 2,528.39 is: 3,791.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971.85 : 10,455.28 = 2,528.39 : x
  2. Step 2: Convert to fraction form
    6,971.85/10,455.28 = 2,528.39/x
  3. Step 3: Cross multiply
    6,971.85x = 10,455.28 × 2,528.39
  4. Step 4: Simplify right side
    6,971.85x = 26,435,045.22
  5. Step 5: Solve for x
    x = 26,435,045.22/6,971.85
  6. Step 6: Final answer
    x = 3,791.68

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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.