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Finding the Fourth Proportional to 4,988.58, 6,883.54 and 2,863.99

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Solution

The fourth proportional to 4,988.58, 6,883.54 and 2,863.99 is: 3,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.58 : 6,883.54 = 2,863.99 : x
  2. Step 2: Convert to fraction form
    4,988.58/6,883.54 = 2,863.99/x
  3. Step 3: Cross multiply
    4,988.58x = 6,883.54 × 2,863.99
  4. Step 4: Simplify right side
    4,988.58x = 19,714,389.72
  5. Step 5: Solve for x
    x = 19,714,389.72/4,988.58
  6. Step 6: Final answer
    x = 3,951.90

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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.