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Finding the Fourth Proportional to 5,208.48, 7,813.95 and 1,698.51

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Solution

The fourth proportional to 5,208.48, 7,813.95 and 1,698.51 is: 2,548.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.48 : 7,813.95 = 1,698.51 : x
  2. Step 2: Convert to fraction form
    5,208.48/7,813.95 = 1,698.51/x
  3. Step 3: Cross multiply
    5,208.48x = 7,813.95 × 1,698.51
  4. Step 4: Simplify right side
    5,208.48x = 13,272,033.14
  5. Step 5: Solve for x
    x = 13,272,033.14/5,208.48
  6. Step 6: Final answer
    x = 2,548.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.