Home / 6,919.14-10,378.75-1,725.02

Finding the Fourth Proportional to 6,919.14, 10,378.75 and 1,725.02

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Solution

The fourth proportional to 6,919.14, 10,378.75 and 1,725.02 is: 2,587.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.14 : 10,378.75 = 1,725.02 : x
  2. Step 2: Convert to fraction form
    6,919.14/10,378.75 = 1,725.02/x
  3. Step 3: Cross multiply
    6,919.14x = 10,378.75 × 1,725.02
  4. Step 4: Simplify right side
    6,919.14x = 17,903,551.33
  5. Step 5: Solve for x
    x = 17,903,551.33/6,919.14
  6. Step 6: Final answer
    x = 2,587.54

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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.