Home / 6,918.33-10,378.59-2,538.93

Finding the Fourth Proportional to 6,918.33, 10,378.59 and 2,538.93

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Solution

The fourth proportional to 6,918.33, 10,378.59 and 2,538.93 is: 3,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.33 : 10,378.59 = 2,538.93 : x
  2. Step 2: Convert to fraction form
    6,918.33/10,378.59 = 2,538.93/x
  3. Step 3: Cross multiply
    6,918.33x = 10,378.59 × 2,538.93
  4. Step 4: Simplify right side
    6,918.33x = 26,350,513.51
  5. Step 5: Solve for x
    x = 26,350,513.51/6,918.33
  6. Step 6: Final answer
    x = 3,808.80

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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.