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Finding the Fourth Proportional to 4,797.63, 6,621.36 and 2,702.16

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Solution

The fourth proportional to 4,797.63, 6,621.36 and 2,702.16 is: 3,729.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,797.63 : 6,621.36 = 2,702.16 : x
  2. Step 2: Convert to fraction form
    4,797.63/6,621.36 = 2,702.16/x
  3. Step 3: Cross multiply
    4,797.63x = 6,621.36 × 2,702.16
  4. Step 4: Simplify right side
    4,797.63x = 17,891,974.14
  5. Step 5: Solve for x
    x = 17,891,974.14/4,797.63
  6. Step 6: Final answer
    x = 3,729.34

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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.