Home / 4,290.08-6,433.76-2,209.44

Finding the Fourth Proportional to 4,290.08, 6,433.76 and 2,209.44

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Solution

The fourth proportional to 4,290.08, 6,433.76 and 2,209.44 is: 3,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.08 : 6,433.76 = 2,209.44 : x
  2. Step 2: Convert to fraction form
    4,290.08/6,433.76 = 2,209.44/x
  3. Step 3: Cross multiply
    4,290.08x = 6,433.76 × 2,209.44
  4. Step 4: Simplify right side
    4,290.08x = 14,215,006.69
  5. Step 5: Solve for x
    x = 14,215,006.69/4,290.08
  6. Step 6: Final answer
    x = 3,313.46

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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.