Home / 6,902.61-10,354.26-1,972.98

Finding the Fourth Proportional to 6,902.61, 10,354.26 and 1,972.98

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Solution

The fourth proportional to 6,902.61, 10,354.26 and 1,972.98 is: 2,959.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,902.61 : 10,354.26 = 1,972.98 : x
  2. Step 2: Convert to fraction form
    6,902.61/10,354.26 = 1,972.98/x
  3. Step 3: Cross multiply
    6,902.61x = 10,354.26 × 1,972.98
  4. Step 4: Simplify right side
    6,902.61x = 20,428,747.89
  5. Step 5: Solve for x
    x = 20,428,747.89/6,902.61
  6. Step 6: Final answer
    x = 2,959.57

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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.