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Finding the Fourth Proportional to 7,973.82, 11,010.33 and 7,133.04

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Solution

The fourth proportional to 7,973.82, 11,010.33 and 7,133.04 is: 9,849.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,973.82 : 11,010.33 = 7,133.04 : x
  2. Step 2: Convert to fraction form
    7,973.82/11,010.33 = 7,133.04/x
  3. Step 3: Cross multiply
    7,973.82x = 11,010.33 × 7,133.04
  4. Step 4: Simplify right side
    7,973.82x = 78,537,124.30
  5. Step 5: Solve for x
    x = 78,537,124.30/7,973.82
  6. Step 6: Final answer
    x = 9,849.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.