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Finding the Fourth Proportional to 6,345.36, 9,513.36 and 2,448

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Solution

The fourth proportional to 6,345.36, 9,513.36 and 2,448 is: 3,670.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.36 : 9,513.36 = 2,448 : x
  2. Step 2: Convert to fraction form
    6,345.36/9,513.36 = 2,448/x
  3. Step 3: Cross multiply
    6,345.36x = 9,513.36 × 2,448
  4. Step 4: Simplify right side
    6,345.36x = 23,288,705.28
  5. Step 5: Solve for x
    x = 23,288,705.28/6,345.36
  6. Step 6: Final answer
    x = 3,670.19

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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.