Home / 7,460.90-11,192.84-2,780.94

Finding the Fourth Proportional to 7,460.90, 11,192.84 and 2,780.94

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Solution

The fourth proportional to 7,460.90, 11,192.84 and 2,780.94 is: 4,171.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,460.90 : 11,192.84 = 2,780.94 : x
  2. Step 2: Convert to fraction form
    7,460.90/11,192.84 = 2,780.94/x
  3. Step 3: Cross multiply
    7,460.90x = 11,192.84 × 2,780.94
  4. Step 4: Simplify right side
    7,460.90x = 31,126,602.56
  5. Step 5: Solve for x
    x = 31,126,602.56/7,460.90
  6. Step 6: Final answer
    x = 4,171.97

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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.