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Finding the Fourth Proportional to 4,973.64, 6,863.49 and 2,735.34

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Solution

The fourth proportional to 4,973.64, 6,863.49 and 2,735.34 is: 3,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973.64 : 6,863.49 = 2,735.34 : x
  2. Step 2: Convert to fraction form
    4,973.64/6,863.49 = 2,735.34/x
  3. Step 3: Cross multiply
    4,973.64x = 6,863.49 × 2,735.34
  4. Step 4: Simplify right side
    4,973.64x = 18,773,978.74
  5. Step 5: Solve for x
    x = 18,773,978.74/4,973.64
  6. Step 6: Final answer
    x = 3,774.70

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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.