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Finding the Fourth Proportional to 5,646, 8,470.62 and 2,184.24

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Solution

The fourth proportional to 5,646, 8,470.62 and 2,184.24 is: 3,276.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,646 : 8,470.62 = 2,184.24 : x
  2. Step 2: Convert to fraction form
    5,646/8,470.62 = 2,184.24/x
  3. Step 3: Cross multiply
    5,646x = 8,470.62 × 2,184.24
  4. Step 4: Simplify right side
    5,646x = 18,501,867.03
  5. Step 5: Solve for x
    x = 18,501,867.03/5,646
  6. Step 6: Final answer
    x = 3,276.99

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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.