Home / 4,285.10-6,427.65-2,636.30

Finding the Fourth Proportional to 4,285.10, 6,427.65 and 2,636.30

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Solution

The fourth proportional to 4,285.10, 6,427.65 and 2,636.30 is: 3,954.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.10 : 6,427.65 = 2,636.30 : x
  2. Step 2: Convert to fraction form
    4,285.10/6,427.65 = 2,636.30/x
  3. Step 3: Cross multiply
    4,285.10x = 6,427.65 × 2,636.30
  4. Step 4: Simplify right side
    4,285.10x = 16,945,213.70
  5. Step 5: Solve for x
    x = 16,945,213.70/4,285.10
  6. Step 6: Final answer
    x = 3,954.45

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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.