Home / 7,830.46-11,744.43-2,898.97

Finding the Fourth Proportional to 7,830.46, 11,744.43 and 2,898.97

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Solution

The fourth proportional to 7,830.46, 11,744.43 and 2,898.97 is: 4,347.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830.46 : 11,744.43 = 2,898.97 : x
  2. Step 2: Convert to fraction form
    7,830.46/11,744.43 = 2,898.97/x
  3. Step 3: Cross multiply
    7,830.46x = 11,744.43 × 2,898.97
  4. Step 4: Simplify right side
    7,830.46x = 34,046,750.24
  5. Step 5: Solve for x
    x = 34,046,750.24/7,830.46
  6. Step 6: Final answer
    x = 4,347.99

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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.