Home / 6,240.20-9,357.52-1,857.92

Finding the Fourth Proportional to 6,240.20, 9,357.52 and 1,857.92

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Solution

The fourth proportional to 6,240.20, 9,357.52 and 1,857.92 is: 2,786.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.20 : 9,357.52 = 1,857.92 : x
  2. Step 2: Convert to fraction form
    6,240.20/9,357.52 = 1,857.92/x
  3. Step 3: Cross multiply
    6,240.20x = 9,357.52 × 1,857.92
  4. Step 4: Simplify right side
    6,240.20x = 17,385,523.56
  5. Step 5: Solve for x
    x = 17,385,523.56/6,240.20
  6. Step 6: Final answer
    x = 2,786.05

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1.5x scale

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.