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Finding the Fourth Proportional to 6,245.36, 9,368.04 and 1,628

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Solution

The fourth proportional to 6,245.36, 9,368.04 and 1,628 is: 2,442.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,245.36 : 9,368.04 = 1,628 : x
  2. Step 2: Convert to fraction form
    6,245.36/9,368.04 = 1,628/x
  3. Step 3: Cross multiply
    6,245.36x = 9,368.04 × 1,628
  4. Step 4: Simplify right side
    6,245.36x = 15,251,169.12
  5. Step 5: Solve for x
    x = 15,251,169.12/6,245.36
  6. Step 6: Final answer
    x = 2,442.00

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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.