Home / 7,050.88-9,727.68-4,255.36

Finding the Fourth Proportional to 7,050.88, 9,727.68 and 4,255.36

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Solution

The fourth proportional to 7,050.88, 9,727.68 and 4,255.36 is: 5,870.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,050.88 : 9,727.68 = 4,255.36 : x
  2. Step 2: Convert to fraction form
    7,050.88/9,727.68 = 4,255.36/x
  3. Step 3: Cross multiply
    7,050.88x = 9,727.68 × 4,255.36
  4. Step 4: Simplify right side
    7,050.88x = 41,394,780.36
  5. Step 5: Solve for x
    x = 41,394,780.36/7,050.88
  6. Step 6: Final answer
    x = 5,870.87

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1.5x scale

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.