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Finding the Fourth Proportional to 5,000.09, 6,899.51 and 2,761.79

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Solution

The fourth proportional to 5,000.09, 6,899.51 and 2,761.79 is: 3,810.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.09 : 6,899.51 = 2,761.79 : x
  2. Step 2: Convert to fraction form
    5,000.09/6,899.51 = 2,761.79/x
  3. Step 3: Cross multiply
    5,000.09x = 6,899.51 × 2,761.79
  4. Step 4: Simplify right side
    5,000.09x = 19,054,970.13
  5. Step 5: Solve for x
    x = 19,054,970.13/5,000.09
  6. Step 6: Final answer
    x = 3,810.93

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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.