Home / 6,303.88-9,456.38-1,921.80

Finding the Fourth Proportional to 6,303.88, 9,456.38 and 1,921.80

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Solution

The fourth proportional to 6,303.88, 9,456.38 and 1,921.80 is: 2,882.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,303.88 : 9,456.38 = 1,921.80 : x
  2. Step 2: Convert to fraction form
    6,303.88/9,456.38 = 1,921.80/x
  3. Step 3: Cross multiply
    6,303.88x = 9,456.38 × 1,921.80
  4. Step 4: Simplify right side
    6,303.88x = 18,173,271.08
  5. Step 5: Solve for x
    x = 18,173,271.08/6,303.88
  6. Step 6: Final answer
    x = 2,882.87

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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.