Home / 6,306.12-9,455.52-2,143.80

Finding the Fourth Proportional to 6,306.12, 9,455.52 and 2,143.80

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Solution

The fourth proportional to 6,306.12, 9,455.52 and 2,143.80 is: 3,214.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,306.12 : 9,455.52 = 2,143.80 : x
  2. Step 2: Convert to fraction form
    6,306.12/9,455.52 = 2,143.80/x
  3. Step 3: Cross multiply
    6,306.12x = 9,455.52 × 2,143.80
  4. Step 4: Simplify right side
    6,306.12x = 20,270,743.78
  5. Step 5: Solve for x
    x = 20,270,743.78/6,306.12
  6. Step 6: Final answer
    x = 3,214.46

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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.