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Finding the Fourth Proportional to 7,669.44, 11,498.04 and 7,054.38

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Solution

The fourth proportional to 7,669.44, 11,498.04 and 7,054.38 is: 10,575.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.44 : 11,498.04 = 7,054.38 : x
  2. Step 2: Convert to fraction form
    7,669.44/11,498.04 = 7,054.38/x
  3. Step 3: Cross multiply
    7,669.44x = 11,498.04 × 7,054.38
  4. Step 4: Simplify right side
    7,669.44x = 81,111,543.42
  5. Step 5: Solve for x
    x = 81,111,543.42/7,669.44
  6. Step 6: Final answer
    x = 10,575.94

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1.5x scale

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.