Home / 6,284.20-9,420.10-3,512.20

Finding the Fourth Proportional to 6,284.20, 9,420.10 and 3,512.20

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Solution

The fourth proportional to 6,284.20, 9,420.10 and 3,512.20 is: 5,264.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,284.20 : 9,420.10 = 3,512.20 : x
  2. Step 2: Convert to fraction form
    6,284.20/9,420.10 = 3,512.20/x
  3. Step 3: Cross multiply
    6,284.20x = 9,420.10 × 3,512.20
  4. Step 4: Simplify right side
    6,284.20x = 33,085,275.22
  5. Step 5: Solve for x
    x = 33,085,275.22/6,284.20
  6. Step 6: Final answer
    x = 5,264.83

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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.