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Finding the Fourth Proportional to 4,714.92, 6,505.98 and 2,800.44

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Solution

The fourth proportional to 4,714.92, 6,505.98 and 2,800.44 is: 3,864.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,714.92 : 6,505.98 = 2,800.44 : x
  2. Step 2: Convert to fraction form
    4,714.92/6,505.98 = 2,800.44/x
  3. Step 3: Cross multiply
    4,714.92x = 6,505.98 × 2,800.44
  4. Step 4: Simplify right side
    4,714.92x = 18,219,629.54
  5. Step 5: Solve for x
    x = 18,219,629.54/4,714.92
  6. Step 6: Final answer
    x = 3,864.25

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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.