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Finding the Fourth Proportional to 4,817.48, 6,648.48 and 2,827.31

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Solution

The fourth proportional to 4,817.48, 6,648.48 and 2,827.31 is: 3,901.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.48 : 6,648.48 = 2,827.31 : x
  2. Step 2: Convert to fraction form
    4,817.48/6,648.48 = 2,827.31/x
  3. Step 3: Cross multiply
    4,817.48x = 6,648.48 × 2,827.31
  4. Step 4: Simplify right side
    4,817.48x = 18,797,280.75
  5. Step 5: Solve for x
    x = 18,797,280.75/4,817.48
  6. Step 6: Final answer
    x = 3,901.89

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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.