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Finding the Fourth Proportional to 5,000.07, 6,900.09 and 2,761.95

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Solution

The fourth proportional to 5,000.07, 6,900.09 and 2,761.95 is: 3,811.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.07 : 6,900.09 = 2,761.95 : x
  2. Step 2: Convert to fraction form
    5,000.07/6,900.09 = 2,761.95/x
  3. Step 3: Cross multiply
    5,000.07x = 6,900.09 × 2,761.95
  4. Step 4: Simplify right side
    5,000.07x = 19,057,703.58
  5. Step 5: Solve for x
    x = 19,057,703.58/5,000.07
  6. Step 6: Final answer
    x = 3,811.49

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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.