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Finding the Fourth Proportional to 4,719.03, 6,512.30 and 2,951.66

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Solution

The fourth proportional to 4,719.03, 6,512.30 and 2,951.66 is: 4,073.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.03 : 6,512.30 = 2,951.66 : x
  2. Step 2: Convert to fraction form
    4,719.03/6,512.30 = 2,951.66/x
  3. Step 3: Cross multiply
    4,719.03x = 6,512.30 × 2,951.66
  4. Step 4: Simplify right side
    4,719.03x = 19,222,095.42
  5. Step 5: Solve for x
    x = 19,222,095.42/4,719.03
  6. Step 6: Final answer
    x = 4,073.31

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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.