Home / 6,135.72-9,206.78-4,684.20

Finding the Fourth Proportional to 6,135.72, 9,206.78 and 4,684.20

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Solution

The fourth proportional to 6,135.72, 9,206.78 and 4,684.20 is: 7,028.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,135.72 : 9,206.78 = 4,684.20 : x
  2. Step 2: Convert to fraction form
    6,135.72/9,206.78 = 4,684.20/x
  3. Step 3: Cross multiply
    6,135.72x = 9,206.78 × 4,684.20
  4. Step 4: Simplify right side
    6,135.72x = 43,126,398.88
  5. Step 5: Solve for x
    x = 43,126,398.88/6,135.72
  6. Step 6: Final answer
    x = 7,028.74

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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.