Home / 6,292.20-9,438.33-1,909.68

Finding the Fourth Proportional to 6,292.20, 9,438.33 and 1,909.68

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Solution

The fourth proportional to 6,292.20, 9,438.33 and 1,909.68 is: 2,864.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,292.20 : 9,438.33 = 1,909.68 : x
  2. Step 2: Convert to fraction form
    6,292.20/9,438.33 = 1,909.68/x
  3. Step 3: Cross multiply
    6,292.20x = 9,438.33 × 1,909.68
  4. Step 4: Simplify right side
    6,292.20x = 18,024,190.03
  5. Step 5: Solve for x
    x = 18,024,190.03/6,292.20
  6. Step 6: Final answer
    x = 2,864.53

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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.