Home / 4,918.07-6,788.14-3,125.00

Finding the Fourth Proportional to 4,918.07, 6,788.14 and 3,125.00

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Solution

The fourth proportional to 4,918.07, 6,788.14 and 3,125.00 is: 4,313.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.07 : 6,788.14 = 3,125.00 : x
  2. Step 2: Convert to fraction form
    4,918.07/6,788.14 = 3,125.00/x
  3. Step 3: Cross multiply
    4,918.07x = 6,788.14 × 3,125.00
  4. Step 4: Simplify right side
    4,918.07x = 21,212,946.66
  5. Step 5: Solve for x
    x = 21,212,946.66/4,918.07
  6. Step 6: Final answer
    x = 4,313.26

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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.