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Finding the Fourth Proportional to 4,652.48, 6,420.05 and 2,662.58

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Solution

The fourth proportional to 4,652.48, 6,420.05 and 2,662.58 is: 3,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,652.48 : 6,420.05 = 2,662.58 : x
  2. Step 2: Convert to fraction form
    4,652.48/6,420.05 = 2,662.58/x
  3. Step 3: Cross multiply
    4,652.48x = 6,420.05 × 2,662.58
  4. Step 4: Simplify right side
    4,652.48x = 17,093,896.73
  5. Step 5: Solve for x
    x = 17,093,896.73/4,652.48
  6. Step 6: Final answer
    x = 3,674.15

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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.