Home / 4,284.74-6,420.15-2,201.85

Finding the Fourth Proportional to 4,284.74, 6,420.15 and 2,201.85

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Solution

The fourth proportional to 4,284.74, 6,420.15 and 2,201.85 is: 3,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.74 : 6,420.15 = 2,201.85 : x
  2. Step 2: Convert to fraction form
    4,284.74/6,420.15 = 2,201.85/x
  3. Step 3: Cross multiply
    4,284.74x = 6,420.15 × 2,201.85
  4. Step 4: Simplify right side
    4,284.74x = 14,136,207.28
  5. Step 5: Solve for x
    x = 14,136,207.28/4,284.74
  6. Step 6: Final answer
    x = 3,299.20

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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.