Home / 6,780.12-9,357.03-3,795.89

Finding the Fourth Proportional to 6,780.12, 9,357.03 and 3,795.89

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Solution

The fourth proportional to 6,780.12, 9,357.03 and 3,795.89 is: 5,238.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.12 : 9,357.03 = 3,795.89 : x
  2. Step 2: Convert to fraction form
    6,780.12/9,357.03 = 3,795.89/x
  3. Step 3: Cross multiply
    6,780.12x = 9,357.03 × 3,795.89
  4. Step 4: Simplify right side
    6,780.12x = 35,518,209.82
  5. Step 5: Solve for x
    x = 35,518,209.82/6,780.12
  6. Step 6: Final answer
    x = 5,238.58

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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.