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Finding the Fourth Proportional to 5,004.66, 6,906.87 and 2,909.46

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Solution

The fourth proportional to 5,004.66, 6,906.87 and 2,909.46 is: 4,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,004.66 : 6,906.87 = 2,909.46 : x
  2. Step 2: Convert to fraction form
    5,004.66/6,906.87 = 2,909.46/x
  3. Step 3: Cross multiply
    5,004.66x = 6,906.87 × 2,909.46
  4. Step 4: Simplify right side
    5,004.66x = 20,095,261.99
  5. Step 5: Solve for x
    x = 20,095,261.99/5,004.66
  6. Step 6: Final answer
    x = 4,015.31

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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.