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Finding the Fourth Proportional to 4,563.16, 6,845.08 and 1,276.21

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Solution

The fourth proportional to 4,563.16, 6,845.08 and 1,276.21 is: 1,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,563.16 : 6,845.08 = 1,276.21 : x
  2. Step 2: Convert to fraction form
    4,563.16/6,845.08 = 1,276.21/x
  3. Step 3: Cross multiply
    4,563.16x = 6,845.08 × 1,276.21
  4. Step 4: Simplify right side
    4,563.16x = 8,735,732.39
  5. Step 5: Solve for x
    x = 8,735,732.39/4,563.16
  6. Step 6: Final answer
    x = 1,914.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.