Home / 6,303.20-9,455.90-2,143.64

Finding the Fourth Proportional to 6,303.20, 9,455.90 and 2,143.64

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Solution

The fourth proportional to 6,303.20, 9,455.90 and 2,143.64 is: 3,215.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,303.20 : 9,455.90 = 2,143.64 : x
  2. Step 2: Convert to fraction form
    6,303.20/9,455.90 = 2,143.64/x
  3. Step 3: Cross multiply
    6,303.20x = 9,455.90 × 2,143.64
  4. Step 4: Simplify right side
    6,303.20x = 20,269,987.48
  5. Step 5: Solve for x
    x = 20,269,987.48/6,303.20
  6. Step 6: Final answer
    x = 3,215.83

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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.